[INFO] cloning repository https://github.com/mosherosenstock/twitter_social_network_analysis_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mosherosenstock/twitter_social_network_analysis_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosherosenstock%2Ftwitter_social_network_analysis_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosherosenstock%2Ftwitter_social_network_analysis_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d911d956850b7845d3a7e5839747fc591476f8f2 [INFO] checking mosherosenstock/twitter_social_network_analysis_rust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosherosenstock%2Ftwitter_social_network_analysis_rust" "/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/mosherosenstock/twitter_social_network_analysis_rust 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/mosherosenstock/twitter_social_network_analysis_rust [INFO] finished tweaking git repo https://github.com/mosherosenstock/twitter_social_network_analysis_rust [INFO] tweaked toml for git repo https://github.com/mosherosenstock/twitter_social_network_analysis_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mosherosenstock/twitter_social_network_analysis_rust 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] 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] f72112bbe528da223b3fc2bb7f08fb47a16ec4a05372a482dcee51614cf92770 [INFO] running `Command { std: "docker" "start" "-a" "f72112bbe528da223b3fc2bb7f08fb47a16ec4a05372a482dcee51614cf92770", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f72112bbe528da223b3fc2bb7f08fb47a16ec4a05372a482dcee51614cf92770", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f72112bbe528da223b3fc2bb7f08fb47a16ec4a05372a482dcee51614cf92770", kill_on_drop: false }` [INFO] [stdout] f72112bbe528da223b3fc2bb7f08fb47a16ec4a05372a482dcee51614cf92770 [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] 4758e7a27eadfdf3b067ba4cfde4f172361da5c8d1b91b995e69c2c47178f0a4 [INFO] running `Command { std: "docker" "start" "-a" "4758e7a27eadfdf3b067ba4cfde4f172361da5c8d1b91b995e69c2c47178f0a4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking PROJECT_BASED_LECTURES v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Reverse` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::cmp::Reverse; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::BinaryHeap` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::collections::BinaryHeap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashSet` [INFO] [stdout] --> src/main.rs:15:34 [INFO] [stdout] | [INFO] [stdout] 15 | use std::collections::{ HashMap, HashSet}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::successors` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::iter::successors; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Reverse` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::cmp::Reverse; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::BinaryHeap` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::collections::BinaryHeap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashSet` [INFO] [stdout] --> src/main.rs:15:34 [INFO] [stdout] | [INFO] [stdout] 15 | use std::collections::{ HashMap, HashSet}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::successors` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::iter::successors; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source_node` [INFO] [stdout] --> src/main.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let source_node = page_rank[0].0; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_node` [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/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut n=1000; [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/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let mut adj_list = grouped_vertex_tuples(&list_edges); [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:93:13 [INFO] [stdout] | [INFO] [stdout] 93 | let mut distance_nodes= bfs_distance_nodes(&graph_hashmap, top50[0], top50[i]); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source_node` [INFO] [stdout] --> src/main.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let source_node = page_rank[0].0; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `minDistance` is never used [INFO] [stdout] --> src/main.rs:133:4 [INFO] [stdout] | [INFO] [stdout] 133 | fn minDistance(dist: Vec, sptSet: Vec) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mark_component_bfs` is never used [INFO] [stdout] --> src/main.rs:185:4 [INFO] [stdout] | [INFO] [stdout] 185 | fn mark_component_bfs(vertex:Vertex, graph:&Graph, component:&mut Vec>, component_no:Component) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut n=1000; [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: type alias `Component` is never used [INFO] [stdout] --> src/main.rs:244:6 [INFO] [stdout] | [INFO] [stdout] 244 | type Component = usize; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let mut adj_list = grouped_vertex_tuples(&list_edges); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reverse_edges` is never used [INFO] [stdout] --> src/main.rs:253:4 [INFO] [stdout] | [INFO] [stdout] 253 | fn reverse_edges(list:&ListOfEdges) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:93:13 [INFO] [stdout] | [INFO] [stdout] 93 | let mut distance_nodes= bfs_distance_nodes(&graph_hashmap, top50[0], top50[i]); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `create_undirected` and `sort_descending_order` are never used [INFO] [stdout] --> src/main.rs:283:8 [INFO] [stdout] | [INFO] [stdout] 263 | impl Graph { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 283 | fn create_undirected(n:usize,edges:&ListOfEdges) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 327 | fn sort_descending_order(&self) -> Graph { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `minDistance` should have a snake case name [INFO] [stdout] --> src/main.rs:133:4 [INFO] [stdout] | [INFO] [stdout] 133 | fn minDistance(dist: Vec, sptSet: Vec) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `min_distance` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `sptSet` should have a snake case name [INFO] [stdout] --> src/main.rs:133:34 [INFO] [stdout] | [INFO] [stdout] 133 | fn minDistance(dist: Vec, sptSet: Vec) -> usize { [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `spt_set` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `minIndex` should have a snake case name [INFO] [stdout] --> src/main.rs:135:13 [INFO] [stdout] | [INFO] [stdout] 135 | let mut minIndex = 0; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `min_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `minDistance` is never used [INFO] [stdout] --> src/main.rs:133:4 [INFO] [stdout] | [INFO] [stdout] 133 | fn minDistance(dist: Vec, sptSet: Vec) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mark_component_bfs` is never used [INFO] [stdout] --> src/main.rs:185:4 [INFO] [stdout] | [INFO] [stdout] 185 | fn mark_component_bfs(vertex:Vertex, graph:&Graph, component:&mut Vec>, component_no:Component) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Component` is never used [INFO] [stdout] --> src/main.rs:244:6 [INFO] [stdout] | [INFO] [stdout] 244 | type Component = usize; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reverse_edges` is never used [INFO] [stdout] --> src/main.rs:253:4 [INFO] [stdout] | [INFO] [stdout] 253 | fn reverse_edges(list:&ListOfEdges) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `create_undirected` and `sort_descending_order` are never used [INFO] [stdout] --> src/main.rs:283:8 [INFO] [stdout] | [INFO] [stdout] 263 | impl Graph { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 283 | fn create_undirected(n:usize,edges:&ListOfEdges) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 327 | fn sort_descending_order(&self) -> Graph { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `minDistance` should have a snake case name [INFO] [stdout] --> src/main.rs:133:4 [INFO] [stdout] | [INFO] [stdout] 133 | fn minDistance(dist: Vec, sptSet: Vec) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `min_distance` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `sptSet` should have a snake case name [INFO] [stdout] --> src/main.rs:133:34 [INFO] [stdout] | [INFO] [stdout] 133 | fn minDistance(dist: Vec, sptSet: Vec) -> usize { [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `spt_set` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `minIndex` should have a snake case name [INFO] [stdout] --> src/main.rs:135:13 [INFO] [stdout] | [INFO] [stdout] 135 | let mut minIndex = 0; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `min_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.03s [INFO] running `Command { std: "docker" "inspect" "4758e7a27eadfdf3b067ba4cfde4f172361da5c8d1b91b995e69c2c47178f0a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4758e7a27eadfdf3b067ba4cfde4f172361da5c8d1b91b995e69c2c47178f0a4", kill_on_drop: false }` [INFO] [stdout] 4758e7a27eadfdf3b067ba4cfde4f172361da5c8d1b91b995e69c2c47178f0a4