[INFO] cloning repository https://github.com/Jossey28/wikipedia-data-analysis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jossey28/wikipedia-data-analysis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJossey28%2Fwikipedia-data-analysis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJossey28%2Fwikipedia-data-analysis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6e16fc221c680056610baedea6687548a4e4fe8
[INFO] checking Jossey28/wikipedia-data-analysis against 7211ea594cbf137ef6118b1752b959dea7cb9088 for pr-164148-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJossey28%2Fwikipedia-data-analysis" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Jossey28/wikipedia-data-analysis
[INFO] finished tweaking git repo https://github.com/Jossey28/wikipedia-data-analysis
[INFO] tweaked toml for git repo https://github.com/Jossey28/wikipedia-data-analysis written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jossey28/wikipedia-data-analysis on toolchain 7211ea594cbf137ef6118b1752b959dea7cb9088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7211ea594cbf137ef6118b1752b959dea7cb9088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jossey28/wikipedia-data-analysis 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" "+7211ea594cbf137ef6118b1752b959dea7cb9088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
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[INFO] [stderr]     Checking wikipedia-data-analysis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ops::Index` and `write`
[INFO] [stdout]  --> src/wikipedia_types.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fmt::{self, Display, write},
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout] 4 |     ops::Index,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ops::Index` and `write`
[INFO] [stdout]  --> src/wikipedia_types.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fmt::{self, Display, write},
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout] 4 |     ops::Index,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/wikipedia_types.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub struct Page {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 155 |     // https://www.mediawiki.org/wiki/Manual:Page_table
[INFO] [stdout] 156 |     page_id: u32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 157 |     page_namespace: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 158 |     page_title: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 159 |     page_is_redirect: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 160 |     page_is_new: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 161 |     page_random: f64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 162 |     page_touched: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 163 |     page_links_update: Option<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 164 |     page_latest: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 165 |     page_len: u32,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 166 |     page_content_model: Option<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 167 |     page_lang: Option<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Page` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pl_from`, `pl_from_namespace`, and `pl_target_id` are never read
[INFO] [stdout]    --> src/wikipedia_types.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub struct PageLinks {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 172 |     // https://www.mediawiki.org/wiki/Manual:Pagelinks_table
[INFO] [stdout] 173 |     pl_from: u32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 174 |     pl_from_namespace: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 175 |     pl_target_id: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PageLinks` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rd_from`, `rd_namespace`, `rd_title`, `rd_interwiki`, and `rd_fragment` are never read
[INFO] [stdout]    --> src/wikipedia_types.rs:180:5
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub struct Redirect {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 180 |     rd_from: u32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 181 |     rd_namespace: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 182 |     rd_title: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 183 |     rd_interwiki: Option<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 184 |     rd_fragment: Option<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Redirect` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/wikipedia_types.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub struct Page {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 155 |     // https://www.mediawiki.org/wiki/Manual:Page_table
[INFO] [stdout] 156 |     page_id: u32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 157 |     page_namespace: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 158 |     page_title: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 159 |     page_is_redirect: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 160 |     page_is_new: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 161 |     page_random: f64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 162 |     page_touched: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 163 |     page_links_update: Option<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 164 |     page_latest: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 165 |     page_len: u32,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 166 |     page_content_model: Option<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 167 |     page_lang: Option<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Page` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pl_from`, `pl_from_namespace`, and `pl_target_id` are never read
[INFO] [stdout]    --> src/wikipedia_types.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub struct PageLinks {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 172 |     // https://www.mediawiki.org/wiki/Manual:Pagelinks_table
[INFO] [stdout] 173 |     pl_from: u32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 174 |     pl_from_namespace: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 175 |     pl_target_id: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PageLinks` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rd_from`, `rd_namespace`, `rd_title`, `rd_interwiki`, and `rd_fragment` are never read
[INFO] [stdout]    --> src/wikipedia_types.rs:180:5
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub struct Redirect {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 180 |     rd_from: u32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 181 |     rd_namespace: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 182 |     rd_title: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 183 |     rd_interwiki: Option<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 184 |     rd_fragment: Option<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Redirect` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MySql` and `QueryBuilder`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sqlx::{MySql, QueryBuilder};
[INFO] [stdout]   |            ^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MySql` and `QueryBuilder`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sqlx::{MySql, QueryBuilder};
[INFO] [stdout]   |            ^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> examples/get_most_used_cats_print.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `clap`
[INFO] [stderr]  --> Cargo.toml:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 | [dependencies.clap]
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `clap`
[INFO] [stderr] help: to still use for development builds, move to `dev-dependencies`
[INFO] [stderr] warning: unused dependency `envy`
[INFO] [stderr]  --> Cargo.toml:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | envy = "0.4.2"
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `envy`
[INFO] [stderr] warning: unused dependency `mysql`
[INFO] [stderr]  --> Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | mysql = "28.0.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `mysql`
[INFO] [stderr] warning: unused dependency `petgraph`
[INFO] [stderr]  --> Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | petgraph = "0.8.3"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `petgraph`
[INFO] [stderr] warning: `wikipedia-data-analysis` (manifest) generated 4 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: proc-macro-error2 v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "c7ff94f4984d52650015886c73f4ddd42d6ea5b5747d85cab9f2b6030e9a22a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ff94f4984d52650015886c73f4ddd42d6ea5b5747d85cab9f2b6030e9a22a7", kill_on_drop: false }`
[INFO] [stdout] c7ff94f4984d52650015886c73f4ddd42d6ea5b5747d85cab9f2b6030e9a22a7