[INFO] fetching crate graphlib 0.4.0... [INFO] checking graphlib-0.4.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] extracting crate graphlib 0.4.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate graphlib 0.4.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate graphlib 0.4.0 [INFO] finished tweaking crates.io crate graphlib 0.4.0 [INFO] tweaked toml for crates.io crate graphlib 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 175bd9775b960cbba5c3d80f08b41f442bc318914204f4240abb9e710b79bf82 [INFO] running `"docker" "start" "-a" "175bd9775b960cbba5c3d80f08b41f442bc318914204f4240abb9e710b79bf82"` [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking hashbrown v0.1.8 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking graphlib v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: value assigned to `next_ptr` is never read [INFO] [stderr] --> src/iterators/bfs.rs:53:21 [INFO] [stderr] | [INFO] [stderr] 53 | let mut next_ptr = None; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `next_ptr` is never read [INFO] [stderr] --> src/iterators/bfs.rs:53:21 [INFO] [stderr] | [INFO] [stderr] 53 | let mut next_ptr = None; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: method is never used: `matches` [INFO] [stderr] --> src/edge.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | pub(crate) fn matches(&self, a: &VertexId, b: &VertexId) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `matches_any` [INFO] [stderr] --> src/edge.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | pub(crate) fn matches_any(&self, id: &VertexId) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `edges_hm_ref` [INFO] [stderr] --> src/graph.rs:1231:5 [INFO] [stderr] | [INFO] [stderr] 1231 | fn edges_hm_ref(&self) -> Result<(&HashMap), GraphErr> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `vertex_hm_ref` [INFO] [stderr] --> src/graph.rs:1236:5 [INFO] [stderr] | [INFO] [stderr] 1236 | fn vertex_hm_ref(&self) -> &HashMap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `matches` [INFO] [stderr] --> src/edge.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | pub(crate) fn matches(&self, a: &VertexId, b: &VertexId) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `matches_any` [INFO] [stderr] --> src/edge.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | pub(crate) fn matches_any(&self, id: &VertexId) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `edges_hm_ref` [INFO] [stderr] --> src/graph.rs:1231:5 [INFO] [stderr] | [INFO] [stderr] 1231 | fn edges_hm_ref(&self) -> Result<(&HashMap), GraphErr> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `vertex_hm_ref` [INFO] [stderr] --> src/graph.rs:1236:5 [INFO] [stderr] | [INFO] [stderr] 1236 | fn vertex_hm_ref(&self) -> &HashMap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/iterators/dfs.rs:176:9 [INFO] [stderr] | [INFO] [stderr] 176 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/iterators/dfs.rs:177:9 [INFO] [stderr] | [INFO] [stderr] 177 | graph.add_edge(&v3, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> examples/dot.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 6 | let mut f = File::create("example1.dot").unwrap(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/dot.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut f = File::create("example1.dot").unwrap(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> benches/benchmark.rs:1231:13 [INFO] [stderr] | [INFO] [stderr] 1231 | let mut id = graph.add_vertex(10); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> benches/benchmark.rs:1242:13 [INFO] [stderr] | [INFO] [stderr] 1242 | let mut id = graph.add_vertex(100); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> benches/benchmark.rs:1253:13 [INFO] [stderr] | [INFO] [stderr] 1253 | let mut id = graph.add_vertex(500); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> benches/benchmark.rs:1264:13 [INFO] [stderr] | [INFO] [stderr] 1264 | let mut id = graph.add_vertex(1000); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> benches/benchmark.rs:1287:13 [INFO] [stderr] | [INFO] [stderr] 1287 | let mut id = graph.add_vertex(10); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> benches/benchmark.rs:1297:13 [INFO] [stderr] | [INFO] [stderr] 1297 | let mut id = graph.add_vertex(100); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> benches/benchmark.rs:1307:13 [INFO] [stderr] | [INFO] [stderr] 1307 | let mut id = graph.add_vertex(500); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> benches/benchmark.rs:1317:13 [INFO] [stderr] | [INFO] [stderr] 1317 | let mut id = graph.add_vertex(1000); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:48:13 [INFO] [stderr] | [INFO] [stderr] 48 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:85:13 [INFO] [stderr] | [INFO] [stderr] 85 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:104:13 [INFO] [stderr] | [INFO] [stderr] 104 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:142:13 [INFO] [stderr] | [INFO] [stderr] 142 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:161:13 [INFO] [stderr] | [INFO] [stderr] 161 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:180:13 [INFO] [stderr] | [INFO] [stderr] 180 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:199:13 [INFO] [stderr] | [INFO] [stderr] 199 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:237:13 [INFO] [stderr] | [INFO] [stderr] 237 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:255:13 [INFO] [stderr] | [INFO] [stderr] 255 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:274:13 [INFO] [stderr] | [INFO] [stderr] 274 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:293:13 [INFO] [stderr] | [INFO] [stderr] 293 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:406:13 [INFO] [stderr] | [INFO] [stderr] 406 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:425:13 [INFO] [stderr] | [INFO] [stderr] 425 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:444:13 [INFO] [stderr] | [INFO] [stderr] 444 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:463:13 [INFO] [stderr] | [INFO] [stderr] 463 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:509:13 [INFO] [stderr] | [INFO] [stderr] 509 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:525:13 [INFO] [stderr] | [INFO] [stderr] 525 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:541:13 [INFO] [stderr] | [INFO] [stderr] 541 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:557:13 [INFO] [stderr] | [INFO] [stderr] 557 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:590:13 [INFO] [stderr] | [INFO] [stderr] 590 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:605:13 [INFO] [stderr] | [INFO] [stderr] 605 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:620:13 [INFO] [stderr] | [INFO] [stderr] 620 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:635:13 [INFO] [stderr] | [INFO] [stderr] 635 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:665:13 [INFO] [stderr] | [INFO] [stderr] 665 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:679:13 [INFO] [stderr] | [INFO] [stderr] 679 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:693:13 [INFO] [stderr] | [INFO] [stderr] 693 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:707:13 [INFO] [stderr] | [INFO] [stderr] 707 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:737:13 [INFO] [stderr] | [INFO] [stderr] 737 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:754:13 [INFO] [stderr] | [INFO] [stderr] 754 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:771:13 [INFO] [stderr] | [INFO] [stderr] 771 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:788:13 [INFO] [stderr] | [INFO] [stderr] 788 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:823:13 [INFO] [stderr] | [INFO] [stderr] 823 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:841:13 [INFO] [stderr] | [INFO] [stderr] 841 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:858:13 [INFO] [stderr] | [INFO] [stderr] 858 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:875:13 [INFO] [stderr] | [INFO] [stderr] 875 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:910:13 [INFO] [stderr] | [INFO] [stderr] 910 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:928:13 [INFO] [stderr] | [INFO] [stderr] 928 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:947:13 [INFO] [stderr] | [INFO] [stderr] 947 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:965:13 [INFO] [stderr] | [INFO] [stderr] 965 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1021:17 [INFO] [stderr] | [INFO] [stderr] 1021 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1034:17 [INFO] [stderr] | [INFO] [stderr] 1034 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1046:17 [INFO] [stderr] | [INFO] [stderr] 1046 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1058:17 [INFO] [stderr] | [INFO] [stderr] 1058 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1160:13 [INFO] [stderr] | [INFO] [stderr] 1160 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1174:13 [INFO] [stderr] | [INFO] [stderr] 1174 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1189:13 [INFO] [stderr] | [INFO] [stderr] 1189 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1203:13 [INFO] [stderr] | [INFO] [stderr] 1203 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1484:9 [INFO] [stderr] | [INFO] [stderr] 1484 | graph.add_edge(&v0, &v1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1485:9 [INFO] [stderr] | [INFO] [stderr] 1485 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1489:13 [INFO] [stderr] | [INFO] [stderr] 1489 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1491:9 [INFO] [stderr] | [INFO] [stderr] 1491 | graph.add_edge(&v2, &v0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1502:9 [INFO] [stderr] | [INFO] [stderr] 1502 | graph.add_edge(&v0, &v1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1503:9 [INFO] [stderr] | [INFO] [stderr] 1503 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1507:13 [INFO] [stderr] | [INFO] [stderr] 1507 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1509:9 [INFO] [stderr] | [INFO] [stderr] 1509 | graph.add_edge(&v2, &v0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1520:9 [INFO] [stderr] | [INFO] [stderr] 1520 | graph.add_edge(&v0, &v1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1521:9 [INFO] [stderr] | [INFO] [stderr] 1521 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1525:13 [INFO] [stderr] | [INFO] [stderr] 1525 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1527:9 [INFO] [stderr] | [INFO] [stderr] 1527 | graph.add_edge(&v2, &v0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1538:9 [INFO] [stderr] | [INFO] [stderr] 1538 | graph.add_edge(&v0, &v1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1539:9 [INFO] [stderr] | [INFO] [stderr] 1539 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1543:13 [INFO] [stderr] | [INFO] [stderr] 1543 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1545:9 [INFO] [stderr] | [INFO] [stderr] 1545 | graph.add_edge(&v2, &v0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1622:17 [INFO] [stderr] | [INFO] [stderr] 1622 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1635:17 [INFO] [stderr] | [INFO] [stderr] 1635 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1649:17 [INFO] [stderr] | [INFO] [stderr] 1649 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1663:17 [INFO] [stderr] | [INFO] [stderr] 1663 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1797:13 [INFO] [stderr] | [INFO] [stderr] 1797 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1810:13 [INFO] [stderr] | [INFO] [stderr] 1810 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1823:13 [INFO] [stderr] | [INFO] [stderr] 1823 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/benchmark.rs:1836:13 [INFO] [stderr] | [INFO] [stderr] 1836 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.32s [INFO] running `"docker" "inspect" "175bd9775b960cbba5c3d80f08b41f442bc318914204f4240abb9e710b79bf82"` [INFO] running `"docker" "rm" "-f" "175bd9775b960cbba5c3d80f08b41f442bc318914204f4240abb9e710b79bf82"` [INFO] [stdout] 175bd9775b960cbba5c3d80f08b41f442bc318914204f4240abb9e710b79bf82