[INFO] fetching crate graph-base 0.1.13...
[INFO] testing graph-base-0.1.13 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate graph-base 0.1.13 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate graph-base 0.1.13
[INFO] finished tweaking crates.io crate graph-base 0.1.13
[INFO] tweaked toml for crates.io crate graph-base 0.1.13 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate graph-base 0.1.13 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate graph-base 0.1.13 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a806d5e61b7257a0f6680d1fbd9efb9c15bd0b7455c0fb1603c0bdae4fd13041
[INFO] running `Command { std: "docker" "start" "-a" "a806d5e61b7257a0f6680d1fbd9efb9c15bd0b7455c0fb1603c0bdae4fd13041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a806d5e61b7257a0f6680d1fbd9efb9c15bd0b7455c0fb1603c0bdae4fd13041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a806d5e61b7257a0f6680d1fbd9efb9c15bd0b7455c0fb1603c0bdae4fd13041", kill_on_drop: false }`
[INFO] [stdout] a806d5e61b7257a0f6680d1fbd9efb9c15bd0b7455c0fb1603c0bdae4fd13041
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eda42dc9858b7495bf94d04f31c5f2eb58e7b3b98389d99cb3228f527094836
[INFO] running `Command { std: "docker" "start" "-a" "3eda42dc9858b7495bf94d04f31c5f2eb58e7b3b98389d99cb3228f527094836", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling graph-base v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DirectedHypergraph` and `Hypergraph`
[INFO] [stdout]  --> src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use interfaces::hypergraph::{DirectedHypergraph, Hypergraph};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/interfaces/edge.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/interfaces/hypergraph.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let mut s2 = String::new();
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge`
[INFO] [stdout]    --> src/interfaces/hypergraph.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             for edge in edges {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stdout]   --> src/interfaces/graph.rs:13:74
[INFO] [stdout]    |
[INFO] [stdout] 13 | ...   self.edges().map(move |edge| (id_map.get(&edge.pair().0).unwrap().clone(), id_map.get(&edge.pair().1).unwrap().clone()) ).coll...
[INFO] [stdout]    |                                                                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stdout]   --> src/interfaces/graph.rs:13:119
[INFO] [stdout]    |
[INFO] [stdout] 13 | ...   self.edges().map(move |edge| (id_map.get(&edge.pair().0).unwrap().clone(), id_map.get(&edge.pair().1).unwrap().clone()) ).coll...
[INFO] [stdout]    |                                                                                                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stdout]   --> src/interfaces/graph.rs:17:74
[INFO] [stdout]    |
[INFO] [stdout] 17 | ...   self.edges().map(move |edge| (id_map.get(&edge.pair().0).unwrap().clone(), edge, id_map.get(&edge.pair().1).unwrap().clone()) ...
[INFO] [stdout]    |                                                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stdout]   --> src/interfaces/graph.rs:17:125
[INFO] [stdout]    |
[INFO] [stdout] 17 | ....unwrap().clone(), edge, id_map.get(&edge.pair().1).unwrap().clone()) ).collect::<Vec<_>>().into_iter()
[INFO] [stdout]    |                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stdout]   --> src/interfaces/labeled.rs:51:48
[INFO] [stdout]    |
[INFO] [stdout] 51 |             adj.get_mut(src).unwrap().push((dst.clone(), edge));
[INFO] [stdout]    |                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&LabelNode<std::string::String>` instead of cloning the inner type
[INFO] [stdout]    --> src/impls/standard.rs:134:74
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...   self.edges.iter().map(move |edge| (id_map.get(&edge.src).unwrap().clone(), id_map.get(&edge.dst).unwrap().clone(), &edge.labe...
[INFO] [stdout]     |                                                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&LabelNode<std::string::String>` instead of cloning the inner type
[INFO] [stdout]    --> src/impls/standard.rs:134:114
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...   self.edges.iter().map(move |edge| (id_map.get(&edge.src).unwrap().clone(), id_map.get(&edge.dst).unwrap().clone(), &edge.labe...
[INFO] [stdout]     |                                                                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&LabelNode<L>` instead of cloning the inner type
[INFO] [stdout]    --> src/impls/standard.rs:240:74
[INFO] [stdout]     |
[INFO] [stdout] 240 | ...   self.edges.iter().map(move |edge| (id_map.get(&edge.src).unwrap().clone(), id_map.get(&edge.dst).unwrap().clone(), &edge.labe...
[INFO] [stdout]     |                                                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&LabelNode<L>` instead of cloning the inner type
[INFO] [stdout]    --> src/impls/standard.rs:240:114
[INFO] [stdout]     |
[INFO] [stdout] 240 | ...   self.edges.iter().map(move |edge| (id_map.get(&edge.src).unwrap().clone(), id_map.get(&edge.dst).unwrap().clone(), &edge.labe...
[INFO] [stdout]     |                                                                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.07s
[INFO] running `Command { std: "docker" "inspect" "3eda42dc9858b7495bf94d04f31c5f2eb58e7b3b98389d99cb3228f527094836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eda42dc9858b7495bf94d04f31c5f2eb58e7b3b98389d99cb3228f527094836", kill_on_drop: false }`
[INFO] [stdout] 3eda42dc9858b7495bf94d04f31c5f2eb58e7b3b98389d99cb3228f527094836
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8dd5d551b657dd4bfb8fcf794ebd432d55b370d697fd3a5eddf5a5501e4af5a
[INFO] running `Command { std: "docker" "start" "-a" "e8dd5d551b657dd4bfb8fcf794ebd432d55b370d697fd3a5eddf5a5501e4af5a", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `DirectedHypergraph` and `Hypergraph`
[INFO] [stdout]  --> src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use interfaces::hypergraph::{DirectedHypergraph, Hypergraph};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/interfaces/edge.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/interfaces/hypergraph.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let mut s2 = String::new();
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge`
[INFO] [stdout]    --> src/interfaces/hypergraph.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             for edge in edges {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling graph-base v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stdout]   --> src/interfaces/graph.rs:13:74
[INFO] [stdout]    |
[INFO] [stdout] 13 | ...   self.edges().map(move |edge| (id_map.get(&edge.pair().0).unwrap().clone(), id_map.get(&edge.pair().1).unwrap().clone()) ).coll...
[INFO] [stdout]    |                                                                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stdout]   --> src/interfaces/graph.rs:13:119
[INFO] [stdout]    |
[INFO] [stdout] 13 | ...   self.edges().map(move |edge| (id_map.get(&edge.pair().0).unwrap().clone(), id_map.get(&edge.pair().1).unwrap().clone()) ).coll...
[INFO] [stdout]    |                                                                                                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stdout]   --> src/interfaces/graph.rs:17:74
[INFO] [stdout]    |
[INFO] [stdout] 17 | ...   self.edges().map(move |edge| (id_map.get(&edge.pair().0).unwrap().clone(), edge, id_map.get(&edge.pair().1).unwrap().clone()) ...
[INFO] [stdout]    |                                                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stdout]   --> src/interfaces/graph.rs:17:125
[INFO] [stdout]    |
[INFO] [stdout] 17 | ....unwrap().clone(), edge, id_map.get(&edge.pair().1).unwrap().clone()) ).collect::<Vec<_>>().into_iter()
[INFO] [stdout]    |                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stdout]   --> src/interfaces/labeled.rs:51:48
[INFO] [stdout]    |
[INFO] [stdout] 51 |             adj.get_mut(src).unwrap().push((dst.clone(), edge));
[INFO] [stdout]    |                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&LabelNode<std::string::String>` instead of cloning the inner type
[INFO] [stdout]    --> src/impls/standard.rs:134:74
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...   self.edges.iter().map(move |edge| (id_map.get(&edge.src).unwrap().clone(), id_map.get(&edge.dst).unwrap().clone(), &edge.labe...
[INFO] [stdout]     |                                                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&LabelNode<std::string::String>` instead of cloning the inner type
[INFO] [stdout]    --> src/impls/standard.rs:134:114
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...   self.edges.iter().map(move |edge| (id_map.get(&edge.src).unwrap().clone(), id_map.get(&edge.dst).unwrap().clone(), &edge.labe...
[INFO] [stdout]     |                                                                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&LabelNode<L>` instead of cloning the inner type
[INFO] [stdout]    --> src/impls/standard.rs:240:74
[INFO] [stdout]     |
[INFO] [stdout] 240 | ...   self.edges.iter().map(move |edge| (id_map.get(&edge.src).unwrap().clone(), id_map.get(&edge.dst).unwrap().clone(), &edge.labe...
[INFO] [stdout]     |                                                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&LabelNode<L>` instead of cloning the inner type
[INFO] [stdout]    --> src/impls/standard.rs:240:114
[INFO] [stdout]     |
[INFO] [stdout] 240 | ...   self.edges.iter().map(move |edge| (id_map.get(&edge.src).unwrap().clone(), id_map.get(&edge.dst).unwrap().clone(), &edge.labe...
[INFO] [stdout]     |                                                                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DirectedHypergraph` and `Hypergraph`
[INFO] [stdout]  --> src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use interfaces::hypergraph::{DirectedHypergraph, Hypergraph};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/interfaces/edge.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/interfaces/hypergraph.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let mut s2 = String::new();
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge`
[INFO] [stdout]    --> src/interfaces/hypergraph.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             for edge in edges {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stdout]   --> src/interfaces/graph.rs:13:74
[INFO] [stdout]    |
[INFO] [stdout] 13 | ...   self.edges().map(move |edge| (id_map.get(&edge.pair().0).unwrap().clone(), id_map.get(&edge.pair().1).unwrap().clone()) ).coll...
[INFO] [stdout]    |                                                                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stdout]   --> src/interfaces/graph.rs:13:119
[INFO] [stdout]    |
[INFO] [stdout] 13 | ...   self.edges().map(move |edge| (id_map.get(&edge.pair().0).unwrap().clone(), id_map.get(&edge.pair().1).unwrap().clone()) ).coll...
[INFO] [stdout]    |                                                                                                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stdout]   --> src/interfaces/graph.rs:17:74
[INFO] [stdout]    |
[INFO] [stdout] 17 | ...   self.edges().map(move |edge| (id_map.get(&edge.pair().0).unwrap().clone(), edge, id_map.get(&edge.pair().1).unwrap().clone()) ...
[INFO] [stdout]    |                                                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stdout]   --> src/interfaces/graph.rs:17:125
[INFO] [stdout]    |
[INFO] [stdout] 17 | ....unwrap().clone(), edge, id_map.get(&edge.pair().1).unwrap().clone()) ).collect::<Vec<_>>().into_iter()
[INFO] [stdout]    |                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stdout]   --> src/interfaces/labeled.rs:51:48
[INFO] [stdout]    |
[INFO] [stdout] 51 |             adj.get_mut(src).unwrap().push((dst.clone(), edge));
[INFO] [stdout]    |                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&LabelNode<std::string::String>` instead of cloning the inner type
[INFO] [stdout]    --> src/impls/standard.rs:134:74
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...   self.edges.iter().map(move |edge| (id_map.get(&edge.src).unwrap().clone(), id_map.get(&edge.dst).unwrap().clone(), &edge.labe...
[INFO] [stdout]     |                                                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&LabelNode<std::string::String>` instead of cloning the inner type
[INFO] [stdout]    --> src/impls/standard.rs:134:114
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...   self.edges.iter().map(move |edge| (id_map.get(&edge.src).unwrap().clone(), id_map.get(&edge.dst).unwrap().clone(), &edge.labe...
[INFO] [stdout]     |                                                                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&LabelNode<L>` instead of cloning the inner type
[INFO] [stdout]    --> src/impls/standard.rs:240:74
[INFO] [stdout]     |
[INFO] [stdout] 240 | ...   self.edges.iter().map(move |edge| (id_map.get(&edge.src).unwrap().clone(), id_map.get(&edge.dst).unwrap().clone(), &edge.labe...
[INFO] [stdout]     |                                                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&LabelNode<L>` instead of cloning the inner type
[INFO] [stdout]    --> src/impls/standard.rs:240:114
[INFO] [stdout]     |
[INFO] [stdout] 240 | ...   self.edges.iter().map(move |edge| (id_map.get(&edge.src).unwrap().clone(), id_map.get(&edge.dst).unwrap().clone(), &edge.labe...
[INFO] [stdout]     |                                                                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "e8dd5d551b657dd4bfb8fcf794ebd432d55b370d697fd3a5eddf5a5501e4af5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8dd5d551b657dd4bfb8fcf794ebd432d55b370d697fd3a5eddf5a5501e4af5a", kill_on_drop: false }`
[INFO] [stdout] e8dd5d551b657dd4bfb8fcf794ebd432d55b370d697fd3a5eddf5a5501e4af5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4ac7490b98d743582798096afbe0576174440178d9361b09f88910d43e4051d
[INFO] running `Command { std: "docker" "start" "-a" "a4ac7490b98d743582798096afbe0576174440178d9361b09f88910d43e4051d", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `DirectedHypergraph` and `Hypergraph`
[INFO] [stderr]  --> src/lib.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | use interfaces::hypergraph::{DirectedHypergraph, Hypergraph};
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Display`
[INFO] [stderr]  --> src/interfaces/edge.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::Display;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interfaces/hypergraph.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let mut s2 = String::new();
[INFO] [stderr]     |                 ----^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `edge`
[INFO] [stderr]    --> src/interfaces/hypergraph.rs:138:17
[INFO] [stderr]     |
[INFO] [stderr] 138 |             for edge in edges {
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stderr]   --> src/interfaces/graph.rs:13:74
[INFO] [stderr]    |
[INFO] [stderr] 13 | ...   self.edges().map(move |edge| (id_map.get(&edge.pair().0).unwrap().clone(), id_map.get(&edge.pair().1).unwrap().clone()) ).coll...
[INFO] [stderr]    |                                                                        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stderr]   --> src/interfaces/graph.rs:13:119
[INFO] [stderr]    |
[INFO] [stderr] 13 | ...   self.edges().map(move |edge| (id_map.get(&edge.pair().0).unwrap().clone(), id_map.get(&edge.pair().1).unwrap().clone()) ).coll...
[INFO] [stderr]    |                                                                                                                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stderr]   --> src/interfaces/graph.rs:17:74
[INFO] [stderr]    |
[INFO] [stderr] 17 | ...   self.edges().map(move |edge| (id_map.get(&edge.pair().0).unwrap().clone(), edge, id_map.get(&edge.pair().1).unwrap().clone()) ...
[INFO] [stderr]    |                                                                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stderr]   --> src/interfaces/graph.rs:17:125
[INFO] [stderr]    |
[INFO] [stderr] 17 | ....unwrap().clone(), edge, id_map.get(&edge.pair().1).unwrap().clone()) ).collect::<Vec<_>>().into_iter()
[INFO] [stderr]    |                                                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&<Self as Graph<'_>>::Node` instead of cloning the inner type
[INFO] [stderr]   --> src/interfaces/labeled.rs:51:48
[INFO] [stderr]    |
[INFO] [stderr] 51 |             adj.get_mut(src).unwrap().push((dst.clone(), edge));
[INFO] [stderr]    |                                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&LabelNode<std::string::String>` instead of cloning the inner type
[INFO] [stderr]    --> src/impls/standard.rs:134:74
[INFO] [stderr]     |
[INFO] [stderr] 134 | ...   self.edges.iter().map(move |edge| (id_map.get(&edge.src).unwrap().clone(), id_map.get(&edge.dst).unwrap().clone(), &edge.labe...
[INFO] [stderr]     |                                                                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&LabelNode<std::string::String>` instead of cloning the inner type
[INFO] [stderr]    --> src/impls/standard.rs:134:114
[INFO] [stderr]     |
[INFO] [stderr] 134 | ...   self.edges.iter().map(move |edge| (id_map.get(&edge.src).unwrap().clone(), id_map.get(&edge.dst).unwrap().clone(), &edge.labe...
[INFO] [stderr]     |                                                                                                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&LabelNode<L>` instead of cloning the inner type
[INFO] [stderr]    --> src/impls/standard.rs:240:74
[INFO] [stderr]     |
[INFO] [stderr] 240 | ...   self.edges.iter().map(move |edge| (id_map.get(&edge.src).unwrap().clone(), id_map.get(&edge.dst).unwrap().clone(), &edge.labe...
[INFO] [stderr]     |                                                                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&LabelNode<L>` instead of cloning the inner type
[INFO] [stderr]    --> src/impls/standard.rs:240:114
[INFO] [stderr]     |
[INFO] [stderr] 240 | ...   self.edges.iter().map(move |edge| (id_map.get(&edge.src).unwrap().clone(), id_map.get(&edge.dst).unwrap().clone(), &edge.labe...
[INFO] [stderr]     |                                                                                                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `graph-base` (lib) generated 13 warnings (run `cargo fix --lib -p graph-base` to apply 4 suggestions)
[INFO] [stderr] warning: `graph-base` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/graph_base-c9dde9a8759c7469)
[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]    Doc-tests graph_base
[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" "a4ac7490b98d743582798096afbe0576174440178d9361b09f88910d43e4051d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4ac7490b98d743582798096afbe0576174440178d9361b09f88910d43e4051d", kill_on_drop: false }`
[INFO] [stdout] a4ac7490b98d743582798096afbe0576174440178d9361b09f88910d43e4051d
