[INFO] cloning repository https://github.com/ryandv/advent23 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryandv/advent23" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryandv%2Fadvent23", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryandv%2Fadvent23'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 57bb7211f35e91f136a869514f39b7dc45887d7a [INFO] checking ryandv/advent23 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryandv%2Fadvent23" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ryandv/advent23 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ryandv/advent23 [INFO] finished tweaking git repo https://github.com/ryandv/advent23 [INFO] tweaked toml for git repo https://github.com/ryandv/advent23 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ryandv/advent23 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded env_logger v0.8.4 [INFO] [stderr] Downloaded proc-macro2 v1.0.71 [INFO] [stderr] Downloaded quickcheck_macros v1.0.0 [INFO] [stderr] Downloaded quickcheck v1.0.3 [INFO] [stderr] Downloaded getrandom v0.2.11 [INFO] [stderr] Downloaded libc v0.2.151 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c48309826a1d656f3c790b10b22b590d2eb23e322e44f7ad6fb6b0bc89db6d33 [INFO] running `Command { std: "docker" "start" "-a" "c48309826a1d656f3c790b10b22b590d2eb23e322e44f7ad6fb6b0bc89db6d33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c48309826a1d656f3c790b10b22b590d2eb23e322e44f7ad6fb6b0bc89db6d33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c48309826a1d656f3c790b10b22b590d2eb23e322e44f7ad6fb6b0bc89db6d33", kill_on_drop: false }` [INFO] [stdout] c48309826a1d656f3c790b10b22b590d2eb23e322e44f7ad6fb6b0bc89db6d33 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c6db1a09f170f1d5b475e79a11c5cc0b94ebbe9eb2f9d8e98b879da78c619103 [INFO] running `Command { std: "docker" "start" "-a" "c6db1a09f170f1d5b475e79a11c5cc0b94ebbe9eb2f9d8e98b879da78c619103", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling proc-macro2 v1.0.71 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking advent23 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `p` [INFO] [stdout] --> src/main.rs:145:18 [INFO] [stdout] | [INFO] [stdout] 145 | let (p, v) = pq.pop().unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_p` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/main.rs:201:23 [INFO] [stdout] | [INFO] [stdout] 201 | .map(|(e, w)| e.clone())) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:270:21 [INFO] [stdout] | [INFO] [stdout] 270 | let svisitor = |v: &Vertex<&str>, adjacencies: &HashMap<&Vertex<&str>, usize>| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `adjacencies` [INFO] [stdout] --> src/main.rs:270:39 [INFO] [stdout] | [INFO] [stdout] 270 | let svisitor = |v: &Vertex<&str>, adjacencies: &HashMap<&Vertex<&str>, usize>| { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adjacencies` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:273:21 [INFO] [stdout] | [INFO] [stdout] 273 | let tvisitor = |v: &Vertex<&str>, adjacencies: &HashMap<&Vertex<&str>, usize>| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `adjacencies` [INFO] [stdout] --> src/main.rs:273:39 [INFO] [stdout] | [INFO] [stdout] 273 | let tvisitor = |v: &Vertex<&str>, adjacencies: &HashMap<&Vertex<&str>, usize>| { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adjacencies` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Graph` is never constructed [INFO] [stdout] --> src/main.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct Graph { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Vertex` is never constructed [INFO] [stdout] --> src/main.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | struct Vertex(BTreeSet>); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `merge` are never used [INFO] [stdout] --> src/main.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 36 | impl Vertex { [INFO] [stdout] | ------------------------------------------ associated items in this implementation [INFO] [stdout] 37 | pub fn new(t: T) -> Vertex { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn merge(&self, other: &Self) -> Vertex { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Edge` is never constructed [INFO] [stdout] --> src/main.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | struct Edge(usize, UnorderedPair>); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `partner`, and `joins` are never used [INFO] [stdout] --> src/main.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 60 | impl Edge { [INFO] [stdout] | ---------------------------------------- associated items in this implementation [INFO] [stdout] 61 | pub fn new(id: usize, u: Vertex, v: Vertex) -> Edge { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn partner(&self, v: &Vertex) -> &Vertex { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | pub fn joins(&self, v: &Vertex) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `from_adjacency_lists`, `merge`, `maximum_adjacency_search`, and `stoer_wagner` are never used [INFO] [stdout] --> src/main.rs:90:12 [INFO] [stdout] | [INFO] [stdout] 89 | impl Graph { [INFO] [stdout] | ----------------------------------------- associated items in this implementation [INFO] [stdout] 90 | pub fn from_adjacency_lists, usize)>>(adjacency_list: I) -> Graph { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | fn merge(&self, u: &Vertex, v: &Vertex) -> Graph { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 136 | pub fn maximum_adjacency_search(&self, mut visitor: F, origin: &Vertex) where [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 171 | pub fn stoer_wagner(&self, origin: &Vertex) -> HashSet> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UnorderedPair` is never constructed [INFO] [stdout] --> src/main.rs:206:8 [INFO] [stdout] | [INFO] [stdout] 206 | struct UnorderedPair((T, T)); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `contains` and `partner` are never used [INFO] [stdout] --> src/main.rs:233:12 [INFO] [stdout] | [INFO] [stdout] 232 | impl UnorderedPair { [INFO] [stdout] | ---------------------------- methods in this implementation [INFO] [stdout] 233 | pub fn contains(&self, t: &T) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 238 | pub fn partner(&self, t: &T) -> &T { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_input` is never used [INFO] [stdout] --> src/main.rs:244:4 [INFO] [stdout] | [INFO] [stdout] 244 | fn parse_input(input: &str) -> Result, &str> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/main.rs:260:4 [INFO] [stdout] | [INFO] [stdout] 260 | fn solve(input: &str) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Compiling quickcheck_macros v1.0.0 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stdout] warning: unused variable: `p` [INFO] [stdout] --> src/main.rs:145:18 [INFO] [stdout] | [INFO] [stdout] 145 | let (p, v) = pq.pop().unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_p` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/main.rs:201:23 [INFO] [stdout] | [INFO] [stdout] 201 | .map(|(e, w)| e.clone())) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:270:21 [INFO] [stdout] | [INFO] [stdout] 270 | let svisitor = |v: &Vertex<&str>, adjacencies: &HashMap<&Vertex<&str>, usize>| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `adjacencies` [INFO] [stdout] --> src/main.rs:270:39 [INFO] [stdout] | [INFO] [stdout] 270 | let svisitor = |v: &Vertex<&str>, adjacencies: &HashMap<&Vertex<&str>, usize>| { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adjacencies` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:273:21 [INFO] [stdout] | [INFO] [stdout] 273 | let tvisitor = |v: &Vertex<&str>, adjacencies: &HashMap<&Vertex<&str>, usize>| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `adjacencies` [INFO] [stdout] --> src/main.rs:273:39 [INFO] [stdout] | [INFO] [stdout] 273 | let tvisitor = |v: &Vertex<&str>, adjacencies: &HashMap<&Vertex<&str>, usize>| { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adjacencies` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:482:72 [INFO] [stdout] | [INFO] [stdout] 482 | ...anned.iter().enumerate().filter(|(v, scanned)| **scanned).map(|p| Vertex::new(p.0)).collect::>>(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:464:13 [INFO] [stdout] | [INFO] [stdout] 464 | let mut dc = g.edges.iter().fold(HashMap::, usize>::new(), |mut h, (Edge(_, UnorderedPair((u, v))), _w)| { [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: unused variable: `w` [INFO] [stdout] --> src/main.rs:507:27 [INFO] [stdout] | [INFO] [stdout] 507 | .map(|(e, w)| (x.clone(), e))) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/main.rs:515:27 [INFO] [stdout] | [INFO] [stdout] 515 | .map(|(e, w)| (x.clone(), e))) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:528:43 [INFO] [stdout] | [INFO] [stdout] 528 | ... assert!(merged_edges.iter().all(|(x, e)| !g0.edges.contains_key(e)), "expected {:?} to not contain unmerged edges from {:?}", g0.ed... [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:501:13 [INFO] [stdout] | [INFO] [stdout] 501 | let mut merged_edges: Vec<(Vertex, &Edge)> = g.vertices [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:509:13 [INFO] [stdout] | [INFO] [stdout] 509 | let mut adopted_edges: Vec<(Vertex, &Edge)> = g.vertices [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/main.rs:549:103 [INFO] [stdout] | [INFO] [stdout] 549 | let max_next = adjacencies.iter().filter(|(v,_)| !vertices_visited.contains(*v)).max_by(|(u, w), (v, w2)| w.cmp(w2)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:549:111 [INFO] [stdout] | [INFO] [stdout] 549 | let max_next = adjacencies.iter().filter(|(v,_)| !vertices_visited.contains(*v)).max_by(|(u, w), (v, w2)| w.cmp(w2)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:557:57 [INFO] [stdout] | [INFO] [stdout] 557 | ... .partition(|(v, w)| w == max_next.unwrap().1); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/main.rs:558:66 [INFO] [stdout] | [INFO] [stdout] 558 | next_max = (Some(equivalent_vertices.iter().map(|(v, w)| v.clone()).collect()), *max_next.unwrap().1); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/main.rs:579:57 [INFO] [stdout] | [INFO] [stdout] 579 | let origin = vertices_visited.iter().find(|(u, v)| !*v).unwrap().0.clone(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `adjacencies` [INFO] [stdout] --> src/main.rs:582:47 [INFO] [stdout] | [INFO] [stdout] 582 | let visitor = |v: &Vertex, adjacencies: &HashMap<&Vertex, usize>| { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adjacencies` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `input` should have an upper case name [INFO] [stdout] --> src/main.rs:337:15 [INFO] [stdout] | [INFO] [stdout] 337 | const input: &'static str = [INFO] [stdout] | ^^^^^ help: convert the identifier to upper case: `INPUT` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Vertex` instead of cloning the inner type [INFO] [stdout] --> src/main.rs:503:61 [INFO] [stdout] | [INFO] [stdout] 503 | ... .filter(|x| g.edges.contains_key(&Edge::new(0, x.clone().clone(), u.clone())) && g.edges.contains_key(&Edge::new(0, x.clone().clone... [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 `&Vertex` instead of cloning the inner type [INFO] [stdout] --> src/main.rs:503:130 [INFO] [stdout] | [INFO] [stdout] 503 | ... .filter(|x| g.edges.contains_key(&Edge::new(0, x.clone().clone(), u.clone())) && g.edges.contains_key(&Edge::new(0, x.clone().clone... [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Vertex` instead of cloning the inner type [INFO] [stdout] --> src/main.rs:511:61 [INFO] [stdout] | [INFO] [stdout] 511 | ... .filter(|x| g.edges.contains_key(&Edge::new(0, x.clone().clone(), u.clone())) ^ g.edges.contains_key(&Edge::new(0, x.clone().clone(... [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Vertex` instead of cloning the inner type [INFO] [stdout] --> src/main.rs:511:129 [INFO] [stdout] | [INFO] [stdout] 511 | ... .filter(|x| g.edges.contains_key(&Edge::new(0, x.clone().clone(), u.clone())) ^ g.edges.contains_key(&Edge::new(0, x.clone().clone(... [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Vertex` instead of cloning the inner type [INFO] [stdout] --> src/main.rs:556:60 [INFO] [stdout] | [INFO] [stdout] 556 | ... .map(|(v, w)| (v.clone().clone(), *w)) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `input` should have an upper case name [INFO] [stdout] --> src/main.rs:599:15 [INFO] [stdout] | [INFO] [stdout] 599 | const input: &'static str = [INFO] [stdout] | ^^^^^ help: convert the identifier to upper case: `INPUT` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `input` should have an upper case name [INFO] [stdout] --> src/main.rs:621:15 [INFO] [stdout] | [INFO] [stdout] 621 | const input: &'static str = [INFO] [stdout] | ^^^^^ help: convert the identifier to upper case: `INPUT` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 27 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.30s [INFO] running `Command { std: "docker" "inspect" "c6db1a09f170f1d5b475e79a11c5cc0b94ebbe9eb2f9d8e98b879da78c619103", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6db1a09f170f1d5b475e79a11c5cc0b94ebbe9eb2f9d8e98b879da78c619103", kill_on_drop: false }` [INFO] [stdout] c6db1a09f170f1d5b475e79a11c5cc0b94ebbe9eb2f9d8e98b879da78c619103 [INFO] checking ryandv/advent23 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryandv%2Fadvent23" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ryandv/advent23 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ryandv/advent23 [INFO] finished tweaking git repo https://github.com/ryandv/advent23 [INFO] tweaked toml for git repo https://github.com/ryandv/advent23 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ryandv/advent23 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e546e3e63b37296f029919d2055bae7e1c9bce4f27f152a0c1b77d3afdd0e44b [INFO] running `Command { std: "docker" "start" "-a" "e546e3e63b37296f029919d2055bae7e1c9bce4f27f152a0c1b77d3afdd0e44b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e546e3e63b37296f029919d2055bae7e1c9bce4f27f152a0c1b77d3afdd0e44b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e546e3e63b37296f029919d2055bae7e1c9bce4f27f152a0c1b77d3afdd0e44b", kill_on_drop: false }` [INFO] [stdout] e546e3e63b37296f029919d2055bae7e1c9bce4f27f152a0c1b77d3afdd0e44b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6ade1ec6986c45673bb3b7d4174c0a8b9bdc52d54c098559c1cc472d867cedc [INFO] running `Command { std: "docker" "start" "-a" "e6ade1ec6986c45673bb3b7d4174c0a8b9bdc52d54c098559c1cc472d867cedc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling proc-macro2 v1.0.71 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking advent23 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `p` [INFO] [stdout] --> src/main.rs:145:18 [INFO] [stdout] | [INFO] [stdout] 145 | let (p, v) = pq.pop().unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_p` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/main.rs:201:23 [INFO] [stdout] | [INFO] [stdout] 201 | .map(|(e, w)| e.clone())) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:270:21 [INFO] [stdout] | [INFO] [stdout] 270 | let svisitor = |v: &Vertex<&str>, adjacencies: &HashMap<&Vertex<&str>, usize>| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `adjacencies` [INFO] [stdout] --> src/main.rs:270:39 [INFO] [stdout] | [INFO] [stdout] 270 | let svisitor = |v: &Vertex<&str>, adjacencies: &HashMap<&Vertex<&str>, usize>| { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adjacencies` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:273:21 [INFO] [stdout] | [INFO] [stdout] 273 | let tvisitor = |v: &Vertex<&str>, adjacencies: &HashMap<&Vertex<&str>, usize>| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `adjacencies` [INFO] [stdout] --> src/main.rs:273:39 [INFO] [stdout] | [INFO] [stdout] 273 | let tvisitor = |v: &Vertex<&str>, adjacencies: &HashMap<&Vertex<&str>, usize>| { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adjacencies` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Graph` is never constructed [INFO] [stdout] --> src/main.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct Graph { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Vertex` is never constructed [INFO] [stdout] --> src/main.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | struct Vertex(BTreeSet>); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `merge` are never used [INFO] [stdout] --> src/main.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 36 | impl Vertex { [INFO] [stdout] | ------------------------------------------ associated items in this implementation [INFO] [stdout] 37 | pub fn new(t: T) -> Vertex { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn merge(&self, other: &Self) -> Vertex { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Edge` is never constructed [INFO] [stdout] --> src/main.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | struct Edge(usize, UnorderedPair>); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `partner`, and `joins` are never used [INFO] [stdout] --> src/main.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 60 | impl Edge { [INFO] [stdout] | ---------------------------------------- associated items in this implementation [INFO] [stdout] 61 | pub fn new(id: usize, u: Vertex, v: Vertex) -> Edge { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn partner(&self, v: &Vertex) -> &Vertex { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | pub fn joins(&self, v: &Vertex) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `from_adjacency_lists`, `merge`, `maximum_adjacency_search`, and `stoer_wagner` are never used [INFO] [stdout] --> src/main.rs:90:12 [INFO] [stdout] | [INFO] [stdout] 89 | impl Graph { [INFO] [stdout] | ----------------------------------------- associated items in this implementation [INFO] [stdout] 90 | pub fn from_adjacency_lists, usize)>>(adjacency_list: I) -> Graph { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | fn merge(&self, u: &Vertex, v: &Vertex) -> Graph { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 136 | pub fn maximum_adjacency_search(&self, mut visitor: F, origin: &Vertex) where [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 171 | pub fn stoer_wagner(&self, origin: &Vertex) -> HashSet> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UnorderedPair` is never constructed [INFO] [stdout] --> src/main.rs:206:8 [INFO] [stdout] | [INFO] [stdout] 206 | struct UnorderedPair((T, T)); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `contains` and `partner` are never used [INFO] [stdout] --> src/main.rs:233:12 [INFO] [stdout] | [INFO] [stdout] 232 | impl UnorderedPair { [INFO] [stdout] | ---------------------------- methods in this implementation [INFO] [stdout] 233 | pub fn contains(&self, t: &T) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 238 | pub fn partner(&self, t: &T) -> &T { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_input` is never used [INFO] [stdout] --> src/main.rs:244:4 [INFO] [stdout] | [INFO] [stdout] 244 | fn parse_input(input: &str) -> Result, &str> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/main.rs:260:4 [INFO] [stdout] | [INFO] [stdout] 260 | fn solve(input: &str) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:38:16 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn new(t: T) -> Vertex { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 38 | Vertex(BTreeSet::from([Rc::new(t)])) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:62:18 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn new(id: usize, u: Vertex, v: Vertex) -> Edge { [INFO] [stdout] | ------------ ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 62 | Edge(id, UnorderedPair((u, v))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `advent23` (bin "advent23") due to 3 previous errors; 16 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e6ade1ec6986c45673bb3b7d4174c0a8b9bdc52d54c098559c1cc472d867cedc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6ade1ec6986c45673bb3b7d4174c0a8b9bdc52d54c098559c1cc472d867cedc", kill_on_drop: false }` [INFO] [stdout] e6ade1ec6986c45673bb3b7d4174c0a8b9bdc52d54c098559c1cc472d867cedc