[INFO] fetching crate icentral-operation-update 0.1.0... [INFO] building icentral-operation-update-0.1.0 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error [INFO] extracting crate icentral-operation-update 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate icentral-operation-update 0.1.0 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate icentral-operation-update 0.1.0 [INFO] finished tweaking crates.io crate icentral-operation-update 0.1.0 [INFO] tweaked toml for crates.io crate icentral-operation-update 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate icentral-operation-update 0.1.0 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4c68fe157f113d83543ecec2344132243a93a3c5ce6b84f627610e4e4f58197 [INFO] running `Command { std: "docker" "start" "-a" "e4c68fe157f113d83543ecec2344132243a93a3c5ce6b84f627610e4e4f58197", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4c68fe157f113d83543ecec2344132243a93a3c5ce6b84f627610e4e4f58197", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4c68fe157f113d83543ecec2344132243a93a3c5ce6b84f627610e4e4f58197", kill_on_drop: false }` [INFO] [stdout] e4c68fe157f113d83543ecec2344132243a93a3c5ce6b84f627610e4e4f58197 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9e1c365f5a8c77c348416cefede1e8a40f66f21dc178c74fee490b476925786 [INFO] running `Command { std: "docker" "start" "-a" "a9e1c365f5a8c77c348416cefede1e8a40f66f21dc178c74fee490b476925786", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling tracing-core v0.1.32 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling pin-project-lite v0.2.14 [INFO] 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v0.1.0 [INFO] [stderr] Compiling icentral-stats v0.1.0 [INFO] [stderr] Compiling icentral-timer v0.1.0 [INFO] [stderr] Compiling icentral-operation v0.1.0 [INFO] [stderr] Compiling icentral-mindexed-map v0.1.0 [INFO] [stderr] Compiling icentral-mucid v0.1.0 [INFO] [stderr] Compiling icentral-node-stack v0.1.0 [INFO] [stderr] Compiling icentral-node-queue v0.1.0 [INFO] [stderr] Compiling icentral-distances v0.1.0 [INFO] [stderr] Compiling icentral-color-map v0.1.0 [INFO] [stderr] Compiling icentral-predecessor-map v0.1.0 [INFO] [stderr] Compiling icentral-visit-markers v0.1.0 [INFO] [stderr] Compiling icentral-sigmas v0.1.0 [INFO] [stderr] Compiling icentral-path-counts v0.1.0 [INFO] [stderr] Compiling icentral-pair-dependencies v0.1.0 [INFO] [stderr] Compiling icentral-subgraph-map v0.1.0 [INFO] [stderr] Compiling icentral-conn-vertex-map v0.1.0 [INFO] [stderr] Compiling icentral-articulation-point-map v0.1.0 [INFO] [stderr] Compiling icentral-deltas v0.1.0 [INFO] [stderr] Compiling icentral-edge v0.1.0 [INFO] [stderr] Compiling icentral-errors v0.1.0 [INFO] [stderr] Compiling icentral-neighbors v0.1.0 [INFO] [stderr] Compiling icentral-label-map v0.1.0 [INFO] [stderr] Compiling icentral-articulation-point v0.1.0 [INFO] [stderr] Compiling icentral-edges v0.1.0 [INFO] [stderr] Compiling icentral-bcc v0.1.0 [INFO] [stderr] Compiling icentral-cycle v0.1.0 [INFO] [stderr] Compiling icentral-graph-interface v0.1.0 [INFO] [stderr] Compiling icentral-parents-map v0.1.0 [INFO] [stderr] Compiling icentral-scores v0.1.0 [INFO] [stderr] Compiling icentral-mucid-map v0.1.0 [INFO] [stderr] Compiling icentral-bridge-edges v0.1.0 [INFO] [stderr] Compiling icentral-mock v0.1.0 [INFO] [stderr] Compiling icentral-gen-rand-edges v0.1.0 [INFO] [stderr] Compiling icentral-bc-mem v0.1.0 [INFO] [stderr] Compiling icentral-subgraph v0.1.0 [INFO] [stderr] Compiling icentral-component v0.1.0 [INFO] [stderr] Compiling icentral-scratch v0.1.0 [INFO] [stderr] Compiling icentral-workspace v0.1.0 [INFO] [stderr] Compiling icentral-bbfs v0.1.0 [INFO] [stderr] Compiling icentral-rbfs v0.1.0 [INFO] [stderr] Compiling icentral-partial-bbfs v0.1.0 [INFO] [stderr] Compiling icentral-brandes v0.1.0 [INFO] [stderr] Compiling icentral-workspace-map v0.1.0 [INFO] [stderr] Compiling icentral-muc v0.1.0 [INFO] [stderr] Compiling icentral-delta v0.1.0 [INFO] [stderr] Compiling icentral-graph v0.1.0 [INFO] [stderr] Compiling icentral-qube v0.1.0 [INFO] [stderr] Compiling icentral-calculate-bc-mem v0.1.0 [INFO] [stderr] Compiling icentral-graph-hash v0.1.0 [INFO] [stderr] Compiling icentral-test-incremental-qube v0.1.0 [INFO] [stderr] Compiling icentral-test-fuad v0.1.0 [INFO] [stderr] Compiling icentral-test-incremental-brandes v0.1.0 [INFO] [stderr] Compiling icentral-test-brandes v0.1.0 [INFO] [stderr] Compiling icentral-timing-update v0.1.0 [INFO] [stderr] Compiling icentral-test-qube v0.1.0 [INFO] [stderr] Compiling icentral-alg v0.1.0 [INFO] [stderr] Compiling icentral-operation-update v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `comp_type` [INFO] [stdout] --> src/update.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | comp_type: CompType, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comp_type` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/update.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | mut edge: Edge, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/update.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut component = Component::new_from_graph_ref(graph, "update_bc_for_graph::component"); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/update.rs:144:8 [INFO] [stdout] | [INFO] [stdout] 144 | if let component = component.lock()? { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `comp_type` [INFO] [stdout] --> src/update.rs:105:5 [INFO] [stdout] | [INFO] [stdout] 105 | comp_type: CompType, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comp_type` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/update.rs:182:5 [INFO] [stdout] | [INFO] [stdout] 182 | mut edge: Edge, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/update.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | graph.find_edge_bcc_with_component(component, edge); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = graph.find_edge_bcc_with_component(component, edge); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/update.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | graph.remove_edge(&edge); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 78 | let _ = graph.remove_edge(&edge); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/update.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | graph.find_edge_bcc_with_component(component, edge); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 79 | let _ = graph.find_edge_bcc_with_component(component, edge); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/update.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | graph.insert_edge(&edge); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 80 | let _ = graph.insert_edge(&edge); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.24s [INFO] running `Command { std: "docker" "inspect" "a9e1c365f5a8c77c348416cefede1e8a40f66f21dc178c74fee490b476925786", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9e1c365f5a8c77c348416cefede1e8a40f66f21dc178c74fee490b476925786", kill_on_drop: false }` [INFO] [stdout] a9e1c365f5a8c77c348416cefede1e8a40f66f21dc178c74fee490b476925786 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bebba7e0263f099b10f34f823c1cbcdc96cc9c26f361a499d8f7db08cb28f5a6 [INFO] running `Command { std: "docker" "start" "-a" "bebba7e0263f099b10f34f823c1cbcdc96cc9c26f361a499d8f7db08cb28f5a6", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `comp_type` [INFO] [stdout] --> src/update.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | comp_type: CompType, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comp_type` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/update.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | mut edge: Edge, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/update.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut component = Component::new_from_graph_ref(graph, "update_bc_for_graph::component"); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/update.rs:144:8 [INFO] [stdout] | [INFO] [stdout] 144 | if let component = component.lock()? { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `comp_type` [INFO] [stdout] --> src/update.rs:105:5 [INFO] [stdout] | [INFO] [stdout] 105 | comp_type: CompType, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comp_type` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/update.rs:182:5 [INFO] [stdout] | [INFO] [stdout] 182 | mut edge: Edge, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/update.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | graph.find_edge_bcc_with_component(component, edge); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = graph.find_edge_bcc_with_component(component, edge); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/update.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | graph.remove_edge(&edge); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 78 | let _ = graph.remove_edge(&edge); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling icentral-operation-update v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/update.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | graph.find_edge_bcc_with_component(component, edge); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 79 | let _ = graph.find_edge_bcc_with_component(component, edge); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/update.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | graph.insert_edge(&edge); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 80 | let _ = graph.insert_edge(&edge); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `comp_type` [INFO] [stdout] --> src/update.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | comp_type: CompType, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comp_type` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/update.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | mut edge: Edge, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/update.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut component = Component::new_from_graph_ref(graph, "update_bc_for_graph::component"); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/update.rs:144:8 [INFO] [stdout] | [INFO] [stdout] 144 | if let component = component.lock()? { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `comp_type` [INFO] [stdout] --> src/update.rs:105:5 [INFO] [stdout] | [INFO] [stdout] 105 | comp_type: CompType, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comp_type` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/update.rs:182:5 [INFO] [stdout] | [INFO] [stdout] 182 | mut edge: Edge, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/update.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | graph.find_edge_bcc_with_component(component, edge); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = graph.find_edge_bcc_with_component(component, edge); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/update.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | graph.remove_edge(&edge); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 78 | let _ = graph.remove_edge(&edge); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/update.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | graph.find_edge_bcc_with_component(component, edge); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 79 | let _ = graph.find_edge_bcc_with_component(component, edge); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/update.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | graph.insert_edge(&edge); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 80 | let _ = graph.insert_edge(&edge); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `Command { std: "docker" "inspect" "bebba7e0263f099b10f34f823c1cbcdc96cc9c26f361a499d8f7db08cb28f5a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bebba7e0263f099b10f34f823c1cbcdc96cc9c26f361a499d8f7db08cb28f5a6", kill_on_drop: false }` [INFO] [stdout] bebba7e0263f099b10f34f823c1cbcdc96cc9c26f361a499d8f7db08cb28f5a6