[INFO] cloning repository https://github.com/luizalbertocviana/rust-workspace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luizalbertocviana/rust-workspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizalbertocviana%2Frust-workspace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizalbertocviana%2Frust-workspace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ceba748da7d8aeef3d1f4fcade912e75f80f7d26
[INFO] testing luizalbertocviana/rust-workspace against 1.97.0-beta.6 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizalbertocviana%2Frust-workspace" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
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[INFO] started tweaking git repo https://github.com/luizalbertocviana/rust-workspace
[INFO] finished tweaking git repo https://github.com/luizalbertocviana/rust-workspace
[INFO] tweaked toml for git repo https://github.com/luizalbertocviana/rust-workspace written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luizalbertocviana/rust-workspace on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/luizalbertocviana/rust-workspace 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded rand_core v0.6.1
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded getrandom v0.2.2
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 817f924f657fcde60cc41668afef0345134bf53fa638f169427059fa61c4bbf6
[INFO] running `Command { std: "docker" "start" "817f924f657fcde60cc41668afef0345134bf53fa638f169427059fa61c4bbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "817f924f657fcde60cc41668afef0345134bf53fa638f169427059fa61c4bbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "817f924f657fcde60cc41668afef0345134bf53fa638f169427059fa61c4bbf6" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "817f924f657fcde60cc41668afef0345134bf53fa638f169427059fa61c4bbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "817f924f657fcde60cc41668afef0345134bf53fa638f169427059fa61c4bbf6" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling matrix v0.1.0 (/opt/rustwide/workdir/matrix)
[INFO] [stderr]    Compiling disjoint-set v0.1.0 (/opt/rustwide/workdir/disjoint-set)
[INFO] [stderr]    Compiling branch-bound v0.1.0 (/opt/rustwide/workdir/branch-bound)
[INFO] [stderr]    Compiling solving-manager v0.1.0 (/opt/rustwide/workdir/solving-manager)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> matrix/src/triangular_matrix.rs:46:15
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn at(&mut self, i: usize, j: usize) -> Reference<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] 46 |     pub fn at(&mut self, i: usize, j: usize) -> Reference<'_, T> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> matrix/src/triangular_matrix.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn const_at(&self, i: usize, j: usize) -> ConstReference<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] 61 |     pub fn const_at(&self, i: usize, j: usize) -> ConstReference<'_, T> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> disjoint-set/src/disjoint_set.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn join(&mut self, element_a: usize, element_b: usize) -> Result {
[INFO] [stdout]    |                 ^^^^^^^^^ the lifetime is elided here             ^^^^^^ the same lifetime is hidden 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] 86 |     pub fn join(&mut self, element_a: usize, element_b: usize) -> Result<'_> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> branch-bound/src/solving_status.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_lower_bound(&mut self, lb: SolCost<T>) -> Result {
[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] 58 |     pub fn set_lower_bound(&mut self, lb: SolCost<T>) -> Result<'_> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> branch-bound/src/solving_status.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn set_best_solution(&mut self, sol: Sol<T>) -> Result {
[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] 75 |     pub fn set_best_solution(&mut self, sol: Sol<T>) -> Result<'_> {
[INFO] [stdout]    |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling graph v0.1.0 (/opt/rustwide/workdir/graph)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> graph/src/digraph.rs:127:27
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn edges(&'a self) -> EdgeIterator {
[INFO] [stdout]     |               --          ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |               |
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn edges(&'a self) -> EdgeIterator<'a> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/digraph.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn add_edge(&mut self, i: usize, j: usize) -> Result {
[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 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/digraph.rs:142:20
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result {
[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] 142 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn edges(&self) -> EdgeIterator {
[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] 127 |     fn edges(&self) -> EdgeIterator<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn add_edge(&mut self, i: usize, j: usize) -> Result {
[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 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:145:20
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result {
[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] 145 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> graph/src/subgraph.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn add_edge(&mut self, i: usize, j: usize) -> Result {
[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] 92 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/subgraph.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result {
[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] 118 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/weighted_graph.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn add_edge(&mut self, i: usize, j: usize) -> Result {
[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] 179 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/weighted_graph.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result {
[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] 192 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/weighted_graph.rs:211:30
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn add_weighted_edge(&mut self, i: usize, j: usize, w: W) -> Result {
[INFO] [stdout]     |                              ^^^^^^^^^ the lifetime is elided here   ^^^^^^ the same lifetime is hidden 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] 211 |     pub fn add_weighted_edge(&mut self, i: usize, j: usize, w: W) -> Result<'_> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> graph/src/traits.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn add_edge(&mut self, i: usize, j: usize) -> Result;
[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] 19 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_>;
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> graph/src/traits.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result;
[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] 22 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_>;
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> graph/src/neighbors.rs:30:70
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn in_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, v: usize) -> InNeighborIterator<T> {
[INFO] [stdout]    |                                                   --                 ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                   |
[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] 30 | pub fn in_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, v: usize) -> InNeighborIterator<'a, T> {
[INFO] [stdout]    |                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> graph/src/neighbors.rs:40:71
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn out_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, u: usize) -> OutNeighborIterator<T> {
[INFO] [stdout]    |                                                    --                 ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                    |
[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] 40 | pub fn out_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, u: usize) -> OutNeighborIterator<'a, T> {
[INFO] [stdout]    |                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling instance v0.1.0 (/opt/rustwide/workdir/instance)
[INFO] [stderr]    Compiling instance-generators v0.1.0 (/opt/rustwide/workdir/instance-generators)
[INFO] [stderr]    Compiling instance-bb v0.1.0 (/opt/rustwide/workdir/instance-bb)
[INFO] [stderr]    Compiling instance-bb-solver v0.1.0 (/opt/rustwide/workdir/instance-bb-solver)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "817f924f657fcde60cc41668afef0345134bf53fa638f169427059fa61c4bbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "817f924f657fcde60cc41668afef0345134bf53fa638f169427059fa61c4bbf6" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> disjoint-set/src/disjoint_set.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn join(&mut self, element_a: usize, element_b: usize) -> Result {
[INFO] [stdout]    |                 ^^^^^^^^^ the lifetime is elided here             ^^^^^^ the same lifetime is hidden 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] 86 |     pub fn join(&mut self, element_a: usize, element_b: usize) -> Result<'_> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> matrix/src/triangular_matrix.rs:46:15
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn at(&mut self, i: usize, j: usize) -> Reference<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] 46 |     pub fn at(&mut self, i: usize, j: usize) -> Reference<'_, T> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> matrix/src/triangular_matrix.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn const_at(&self, i: usize, j: usize) -> ConstReference<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] 61 |     pub fn const_at(&self, i: usize, j: usize) -> ConstReference<'_, T> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> branch-bound/src/solving_status.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_lower_bound(&mut self, lb: SolCost<T>) -> Result {
[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] 58 |     pub fn set_lower_bound(&mut self, lb: SolCost<T>) -> Result<'_> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> branch-bound/src/solving_status.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn set_best_solution(&mut self, sol: Sol<T>) -> Result {
[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] 75 |     pub fn set_best_solution(&mut self, sol: Sol<T>) -> Result<'_> {
[INFO] [stdout]    |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling disjoint-set v0.1.0 (/opt/rustwide/workdir/disjoint-set)
[INFO] [stderr]    Compiling branch-bound v0.1.0 (/opt/rustwide/workdir/branch-bound)
[INFO] [stderr]    Compiling solving-manager v0.1.0 (/opt/rustwide/workdir/solving-manager)
[INFO] [stderr]    Compiling matrix v0.1.0 (/opt/rustwide/workdir/matrix)
[INFO] [stderr]    Compiling graph v0.1.0 (/opt/rustwide/workdir/graph)
[INFO] [stderr]    Compiling instance v0.1.0 (/opt/rustwide/workdir/instance)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> graph/src/digraph.rs:127:27
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn edges(&'a self) -> EdgeIterator {
[INFO] [stdout]     |               --          ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |               |
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn edges(&'a self) -> EdgeIterator<'a> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/digraph.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn add_edge(&mut self, i: usize, j: usize) -> Result {
[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 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/digraph.rs:142:20
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result {
[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] 142 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn edges(&self) -> EdgeIterator {
[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] 127 |     fn edges(&self) -> EdgeIterator<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn add_edge(&mut self, i: usize, j: usize) -> Result {
[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 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:145:20
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result {
[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] 145 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> graph/src/subgraph.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn add_edge(&mut self, i: usize, j: usize) -> Result {
[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] 92 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/subgraph.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result {
[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] 118 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling instance-bb v0.1.0 (/opt/rustwide/workdir/instance-bb)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/weighted_graph.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn add_edge(&mut self, i: usize, j: usize) -> Result {
[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] 179 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling instance-generators v0.1.0 (/opt/rustwide/workdir/instance-generators)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/weighted_graph.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result {
[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] 192 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/weighted_graph.rs:211:30
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn add_weighted_edge(&mut self, i: usize, j: usize, w: W) -> Result {
[INFO] [stdout]     |                              ^^^^^^^^^ the lifetime is elided here   ^^^^^^ the same lifetime is hidden 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] 211 |     pub fn add_weighted_edge(&mut self, i: usize, j: usize, w: W) -> Result<'_> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> graph/src/traits.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn add_edge(&mut self, i: usize, j: usize) -> Result;
[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] 19 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_>;
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> graph/src/traits.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result;
[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] 22 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_>;
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> graph/src/neighbors.rs:30:70
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn in_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, v: usize) -> InNeighborIterator<T> {
[INFO] [stdout]    |                                                   --                 ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                   |
[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] 30 | pub fn in_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, v: usize) -> InNeighborIterator<'a, T> {
[INFO] [stdout]    |                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> graph/src/neighbors.rs:40:71
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn out_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, u: usize) -> OutNeighborIterator<T> {
[INFO] [stdout]    |                                                    --                 ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                    |
[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] 40 | pub fn out_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, u: usize) -> OutNeighborIterator<'a, T> {
[INFO] [stdout]    |                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling instance-bb-solver v0.1.0 (/opt/rustwide/workdir/instance-bb-solver)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> matrix/src/triangular_matrix.rs:46:15
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn at(&mut self, i: usize, j: usize) -> Reference<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] 46 |     pub fn at(&mut self, i: usize, j: usize) -> Reference<'_, T> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> matrix/src/triangular_matrix.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn const_at(&self, i: usize, j: usize) -> ConstReference<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] 61 |     pub fn const_at(&self, i: usize, j: usize) -> ConstReference<'_, T> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> disjoint-set/src/disjoint_set.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn join(&mut self, element_a: usize, element_b: usize) -> Result {
[INFO] [stdout]    |                 ^^^^^^^^^ the lifetime is elided here             ^^^^^^ the same lifetime is hidden 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] 86 |     pub fn join(&mut self, element_a: usize, element_b: usize) -> Result<'_> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> branch-bound/src/solving_status.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn set_lower_bound(&mut self, lb: SolCost<T>) -> Result {
[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] 58 |     pub fn set_lower_bound(&mut self, lb: SolCost<T>) -> Result<'_> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> branch-bound/src/solving_status.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn set_best_solution(&mut self, sol: Sol<T>) -> Result {
[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] 75 |     pub fn set_best_solution(&mut self, sol: Sol<T>) -> Result<'_> {
[INFO] [stdout]    |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> graph/src/digraph.rs:127:27
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn edges(&'a self) -> EdgeIterator {
[INFO] [stdout]     |               --          ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |               |
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn edges(&'a self) -> EdgeIterator<'a> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/digraph.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn add_edge(&mut self, i: usize, j: usize) -> Result {
[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 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/digraph.rs:142:20
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result {
[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] 142 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn edges(&self) -> EdgeIterator {
[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] 127 |     fn edges(&self) -> EdgeIterator<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn add_edge(&mut self, i: usize, j: usize) -> Result {
[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 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:145:20
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result {
[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] 145 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> graph/src/subgraph.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn add_edge(&mut self, i: usize, j: usize) -> Result {
[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] 92 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/subgraph.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result {
[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] 118 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/weighted_graph.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn add_edge(&mut self, i: usize, j: usize) -> Result {
[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] 179 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/weighted_graph.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result {
[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] 192 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/weighted_graph.rs:211:30
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn add_weighted_edge(&mut self, i: usize, j: usize, w: W) -> Result {
[INFO] [stdout]     |                              ^^^^^^^^^ the lifetime is elided here   ^^^^^^ the same lifetime is hidden 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] 211 |     pub fn add_weighted_edge(&mut self, i: usize, j: usize, w: W) -> Result<'_> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> graph/src/traits.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn add_edge(&mut self, i: usize, j: usize) -> Result;
[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] 19 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_>;
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> graph/src/traits.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result;
[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] 22 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_>;
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> graph/src/neighbors.rs:30:70
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn in_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, v: usize) -> InNeighborIterator<T> {
[INFO] [stdout]    |                                                   --                 ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                   |
[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] 30 | pub fn in_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, v: usize) -> InNeighborIterator<'a, T> {
[INFO] [stdout]    |                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> graph/src/neighbors.rs:40:71
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn out_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, u: usize) -> OutNeighborIterator<T> {
[INFO] [stdout]    |                                                    --                 ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                    |
[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] 40 | pub fn out_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, u: usize) -> OutNeighborIterator<'a, T> {
[INFO] [stdout]    |                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "817f924f657fcde60cc41668afef0345134bf53fa638f169427059fa61c4bbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "817f924f657fcde60cc41668afef0345134bf53fa638f169427059fa61c4bbf6" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> matrix/src/triangular_matrix.rs:46:15
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn at(&mut self, i: usize, j: usize) -> Reference<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] 46 |     pub fn at(&mut self, i: usize, j: usize) -> Reference<'_, T> {
[INFO] [stderr]    |                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> matrix/src/triangular_matrix.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn const_at(&self, i: usize, j: usize) -> ConstReference<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] 61 |     pub fn const_at(&self, i: usize, j: usize) -> ConstReference<'_, T> {
[INFO] [stderr]    |                                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> disjoint-set/src/disjoint_set.rs:86:17
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn join(&mut self, element_a: usize, element_b: usize) -> Result {
[INFO] [stderr]    |                 ^^^^^^^^^ the lifetime is elided here             ^^^^^^ the same lifetime is hidden 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] 86 |     pub fn join(&mut self, element_a: usize, element_b: usize) -> Result<'_> {
[INFO] [stderr]    |                                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> branch-bound/src/solving_status.rs:58:28
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn set_lower_bound(&mut self, lb: SolCost<T>) -> Result {
[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] 58 |     pub fn set_lower_bound(&mut self, lb: SolCost<T>) -> Result<'_> {
[INFO] [stderr]    |                                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> branch-bound/src/solving_status.rs:75:30
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn set_best_solution(&mut self, sol: Sol<T>) -> Result {
[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] 75 |     pub fn set_best_solution(&mut self, sol: Sol<T>) -> Result<'_> {
[INFO] [stderr]    |                                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `matrix` (lib) generated 2 warnings (run `cargo fix --lib -p matrix` to apply 2 suggestions)
[INFO] [stderr] warning: `disjoint-set` (lib) generated 1 warning (run `cargo fix --lib -p disjoint-set` to apply 1 suggestion)
[INFO] [stderr] warning: `branch-bound` (lib) generated 2 warnings (run `cargo fix --lib -p branch-bound` to apply 2 suggestions)
[INFO] [stderr] warning: `matrix` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `disjoint-set` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `branch-bound` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> graph/src/digraph.rs:127:27
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn edges(&'a self) -> EdgeIterator {
[INFO] [stderr]     |               --          ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |               |
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn edges(&'a self) -> EdgeIterator<'a> {
[INFO] [stderr]     |                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> graph/src/digraph.rs:131:17
[INFO] [stderr]     |
[INFO] [stderr] 131 |     fn add_edge(&mut self, i: usize, j: usize) -> Result {
[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 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stderr]     |                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> graph/src/digraph.rs:142:20
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result {
[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] 142 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stderr]     |                                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> graph/src/graph.rs:127:14
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn edges(&self) -> EdgeIterator {
[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] 127 |     fn edges(&self) -> EdgeIterator<'_> {
[INFO] [stderr]     |                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> graph/src/graph.rs:131:17
[INFO] [stderr]     |
[INFO] [stderr] 131 |     fn add_edge(&mut self, i: usize, j: usize) -> Result {
[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 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stderr]     |                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> graph/src/graph.rs:145:20
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result {
[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] 145 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stderr]     |                                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> graph/src/subgraph.rs:92:17
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn add_edge(&mut self, i: usize, j: usize) -> Result {
[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] 92 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stderr]    |                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> graph/src/subgraph.rs:118:20
[INFO] [stderr]     |
[INFO] [stderr] 118 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result {
[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] 118 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stderr]     |                                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> graph/src/weighted_graph.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn add_edge(&mut self, i: usize, j: usize) -> Result {
[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] 179 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stderr]     |                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> graph/src/weighted_graph.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result {
[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] 192 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_> {
[INFO] [stderr]     |                                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> graph/src/weighted_graph.rs:211:30
[INFO] [stderr]     |
[INFO] [stderr] 211 |     pub fn add_weighted_edge(&mut self, i: usize, j: usize, w: W) -> Result {
[INFO] [stderr]     |                              ^^^^^^^^^ the lifetime is elided here   ^^^^^^ the same lifetime is hidden 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] 211 |     pub fn add_weighted_edge(&mut self, i: usize, j: usize, w: W) -> Result<'_> {
[INFO] [stderr]     |                                                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> graph/src/traits.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn add_edge(&mut self, i: usize, j: usize) -> Result;
[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] 19 |     fn add_edge(&mut self, i: usize, j: usize) -> Result<'_>;
[INFO] [stderr]    |                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> graph/src/traits.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result;
[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] 22 |     fn remove_edge(&mut self, i: usize, j: usize) -> Result<'_>;
[INFO] [stderr]    |                                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> graph/src/neighbors.rs:30:70
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn in_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, v: usize) -> InNeighborIterator<T> {
[INFO] [stderr]    |                                                   --                 ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                                   |
[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] 30 | pub fn in_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, v: usize) -> InNeighborIterator<'a, T> {
[INFO] [stderr]    |                                                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> graph/src/neighbors.rs:40:71
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn out_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, u: usize) -> OutNeighborIterator<T> {
[INFO] [stderr]    |                                                    --                 ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                                    |
[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] 40 | pub fn out_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, u: usize) -> OutNeighborIterator<'a, T> {
[INFO] [stderr]    |                                                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: `graph` (lib) generated 15 warnings (run `cargo fix --lib -p graph` to apply 15 suggestions)
[INFO] [stderr] warning: `graph` (lib test) generated 15 warnings (15 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/branch_bound-51e165ed1b8c3a21)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/disjoint_set-a0e0fdd1b0210d6f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::disjoint_set_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/graph-9667264594ffca77)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::algorithms_test ... ok
[INFO] [stdout] test tests::graph_test ... ok
[INFO] [stdout] test tests::num_neighbors_test ... ok
[INFO] [stdout] test tests::properties_test ... ok
[INFO] [stdout] test tests::subgraph_test ... ok
[INFO] [stdout] test tests::digraph_test ... ok
[INFO] [stdout] test tests::weighted_graph_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/instance-514991339b91a752)
[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]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/instance_bb-8c63d3e2b878ac4c)
[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]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/instance_bb_solver-d66e50b44a4489c3)
[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]      Running unittests src/bin/solver.rs (/opt/rustwide/target/debug/deps/solver-9f3ebf3b825e62d3)
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/instance_generators-80293d20a6330a87)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/generator1.rs (/opt/rustwide/target/debug/deps/generator1-e5166922dd88ed03)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/generator10.rs (/opt/rustwide/target/debug/deps/generator10-049f72589c71e419)
[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] [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] [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] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/generator11.rs (/opt/rustwide/target/debug/deps/generator11-2d24c887447d6421)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/generator12.rs (/opt/rustwide/target/debug/deps/generator12-9fe5775e0c43f190)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/generator13.rs (/opt/rustwide/target/debug/deps/generator13-529b5e6ae5c7b33b)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/generator14.rs (/opt/rustwide/target/debug/deps/generator14-180d601497db8c40)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/generator15.rs (/opt/rustwide/target/debug/deps/generator15-3d6c60d3a94d5ed4)
[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] [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]      Running unittests src/bin/generator16.rs (/opt/rustwide/target/debug/deps/generator16-8ad33a5f06a657e1)
[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] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/generator17.rs (/opt/rustwide/target/debug/deps/generator17-6009910a411fad31)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/generator18.rs (/opt/rustwide/target/debug/deps/generator18-ef081105d358891a)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/generator19.rs (/opt/rustwide/target/debug/deps/generator19-e632208ae0996ecb)
[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] [stdout] 
[INFO] [stderr]      Running unittests src/bin/generator2.rs (/opt/rustwide/target/debug/deps/generator2-e7a592338a5f6616)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/generator20.rs (/opt/rustwide/target/debug/deps/generator20-7c2d0c2da26bdad1)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/generator3.rs (/opt/rustwide/target/debug/deps/generator3-4ad18e266fdda9ac)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/bin/generator4.rs (/opt/rustwide/target/debug/deps/generator4-99e2c1d58cab595e)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [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] [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]      Running unittests src/bin/generator5.rs (/opt/rustwide/target/debug/deps/generator5-c9007eb145baf60f)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/generator6.rs (/opt/rustwide/target/debug/deps/generator6-43a252a4671baa49)
[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] [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] [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]      Running unittests src/bin/generator7.rs (/opt/rustwide/target/debug/deps/generator7-ae2ad0f482bc0170)
[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]      Running unittests src/bin/generator8.rs (/opt/rustwide/target/debug/deps/generator8-ea2b51bff8eef634)
[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]      Running unittests src/bin/generator9.rs (/opt/rustwide/target/debug/deps/generator9-07631998db719b33)
[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]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrix-a3bd9b48e02b604e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::matrix_instantiation ... ok
[INFO] [stdout] test tests::square_matrix ... ok
[INFO] [stdout] test tests::upper_triangular_matrix_instantiation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/solving_manager-4baca945c8f4059b)
[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 branch_bound
[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 disjoint_set
[INFO] [stderr]    Doc-tests graph
[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 instance
[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] [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 instance_bb
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests instance_bb_solver
[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] [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 instance_generators
[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 matrix
[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 solving_manager
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "817f924f657fcde60cc41668afef0345134bf53fa638f169427059fa61c4bbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817f924f657fcde60cc41668afef0345134bf53fa638f169427059fa61c4bbf6", kill_on_drop: false }`
[INFO] [stdout] 817f924f657fcde60cc41668afef0345134bf53fa638f169427059fa61c4bbf6
