[INFO] crate r-graph 0.0.13 is already in cache
[INFO] checking r-graph-0.0.13 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate r-graph 0.0.13 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate r-graph 0.0.13 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate r-graph 0.0.13
[INFO] finished tweaking crates.io crate r-graph 0.0.13
[INFO] tweaked toml for crates.io crate r-graph 0.0.13 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] df9f267acafae0038cd85f373b42eb7ef694f42bce700392b6793d16688b6a3d
[INFO] running `"docker" "start" "-a" "df9f267acafae0038cd85f373b42eb7ef694f42bce700392b6793d16688b6a3d"`
[INFO] [stderr]     Checking r-graph v0.0.13 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `from`
[INFO] [stderr]  --> src/extended/breadth.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     from: &'a Key,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `graph`
[INFO] [stderr]  --> src/extended/breadth.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     graph: &'a Graph,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `visited`
[INFO] [stderr]  --> src/extended/breadth.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     visited: HashMap<&'a Key, (&'a Key, &'a Edge)>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `queue`
[INFO] [stderr]   --> src/extended/breadth.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     queue: VecDeque<&'a Key>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `path`
[INFO] [stderr]   --> src/extended/breadth.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn path(&self, mut to: &'a Key) -> Option<Vec<&(&Key, &Edge)>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cache_path`
[INFO] [stderr]   --> src/extended/breadth.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 | /     fn cache_path<Orientation>(&mut self, to: &Key)
[INFO] [stderr] 47 | |     where
[INFO] [stderr] 48 | |         Orientation: orientation::Orientation,
[INFO] [stderr] 49 | |         Graph: Neighbours<'a, Orientation, Key, Edge = &'a Edge>,
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |         }
[INFO] [stderr] 62 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to`
[INFO] [stderr]   --> src/extended/breadth.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 | /     pub fn to<Orientation>(&mut self, to: &'a Key) -> Option<Vec<&(&Key, &Edge)>>
[INFO] [stderr] 66 | |     where
[INFO] [stderr] 67 | |         Orientation: orientation::Orientation,
[INFO] [stderr] 68 | |         Graph: Neighbours<'a, Orientation, Key, Edge = &'a Edge>,
[INFO] [stderr] ...  |
[INFO] [stderr] 73 | |         self.path(to)
[INFO] [stderr] 74 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Dijkstra`
[INFO] [stderr]  --> src/extended/dijkstra.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Dijkstra<'a, Graph, Key, Edge, Weight> {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/extended/dijkstra.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | /     pub fn new<Orientation>(graph: &'a Graph, from: &'a Key) -> Self
[INFO] [stderr] 21 | |     where
[INFO] [stderr] 22 | |         Weight: Ord + Clone,
[INFO] [stderr] 23 | |         Orientation: orientation::Orientation,
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |         }
[INFO] [stderr] 42 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `path`
[INFO] [stderr]   --> src/extended/dijkstra.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn path(&self, mut to: &'a Key) -> Option<Vec<&(Weight, &Key, &Edge)>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cache_path`
[INFO] [stderr]   --> src/extended/dijkstra.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 | /     fn cache_path<Orientation>(&mut self, to: &Key)
[INFO] [stderr] 59 | |     where
[INFO] [stderr] 60 | |         Orientation: orientation::Orientation,
[INFO] [stderr] 61 | |         Weight: Ord + Clone + Add,
[INFO] [stderr] ...  |
[INFO] [stderr] 78 | |         }
[INFO] [stderr] 79 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to`
[INFO] [stderr]   --> src/extended/dijkstra.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | /     pub fn to<Orientation>(&mut self, to: &'a Key) -> Option<Vec<&(Weight, &Key, &Edge)>>
[INFO] [stderr] 82 | |     where
[INFO] [stderr] 83 | |         Orientation: orientation::Orientation,
[INFO] [stderr] 84 | |         Weight: Ord + Clone + Add,
[INFO] [stderr] ...  |
[INFO] [stderr] 92 | |         self.path(to)
[INFO] [stderr] 93 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Dijkstra`
[INFO] [stderr]  --> src/extended/dijkstra.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Dijkstra<'a, Graph, Key, Edge, Weight> {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/extended/dijkstra.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | /     pub fn new<Orientation>(graph: &'a Graph, from: &'a Key) -> Self
[INFO] [stderr] 21 | |     where
[INFO] [stderr] 22 | |         Weight: Ord + Clone,
[INFO] [stderr] 23 | |         Orientation: orientation::Orientation,
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |         }
[INFO] [stderr] 42 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `path`
[INFO] [stderr]   --> src/extended/dijkstra.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn path(&self, mut to: &'a Key) -> Option<Vec<&(Weight, &Key, &Edge)>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cache_path`
[INFO] [stderr]   --> src/extended/dijkstra.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 | /     fn cache_path<Orientation>(&mut self, to: &Key)
[INFO] [stderr] 59 | |     where
[INFO] [stderr] 60 | |         Orientation: orientation::Orientation,
[INFO] [stderr] 61 | |         Weight: Ord + Clone + Add,
[INFO] [stderr] ...  |
[INFO] [stderr] 78 | |         }
[INFO] [stderr] 79 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to`
[INFO] [stderr]   --> src/extended/dijkstra.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | /     pub fn to<Orientation>(&mut self, to: &'a Key) -> Option<Vec<&(Weight, &Key, &Edge)>>
[INFO] [stderr] 82 | |     where
[INFO] [stderr] 83 | |         Orientation: orientation::Orientation,
[INFO] [stderr] 84 | |         Weight: Ord + Clone + Add,
[INFO] [stderr] ...  |
[INFO] [stderr] 92 | |         self.path(to)
[INFO] [stderr] 93 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "df9f267acafae0038cd85f373b42eb7ef694f42bce700392b6793d16688b6a3d"`
[INFO] running `"docker" "rm" "-f" "df9f267acafae0038cd85f373b42eb7ef694f42bce700392b6793d16688b6a3d"`
[INFO] [stdout] df9f267acafae0038cd85f373b42eb7ef694f42bce700392b6793d16688b6a3d