[INFO] cloning repository https://github.com/forfd8960/mini-search
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/forfd8960/mini-search" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforfd8960%2Fmini-search", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforfd8960%2Fmini-search'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a3ce0dbdc77de2002ca052381c8d8cdc7415189
[INFO] testing forfd8960/mini-search against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforfd8960%2Fmini-search" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/forfd8960/mini-search
[INFO] finished tweaking git repo https://github.com/forfd8960/mini-search
[INFO] tweaked toml for git repo https://github.com/forfd8960/mini-search written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/forfd8960/mini-search on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/forfd8960/mini-search 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stemmer v0.3.2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76d15a8f10e38b6ee92d920a55c156897eaa0e8751a012e370e08af0adfa957b
[INFO] running `Command { std: "docker" "start" "-a" "76d15a8f10e38b6ee92d920a55c156897eaa0e8751a012e370e08af0adfa957b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76d15a8f10e38b6ee92d920a55c156897eaa0e8751a012e370e08af0adfa957b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76d15a8f10e38b6ee92d920a55c156897eaa0e8751a012e370e08af0adfa957b", kill_on_drop: false }`
[INFO] [stdout] 76d15a8f10e38b6ee92d920a55c156897eaa0e8751a012e370e08af0adfa957b
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c6621fed23685af5e7c917b710147354f361322bf512f1aac6a4ca7cf81f842
[INFO] running `Command { std: "docker" "start" "-a" "9c6621fed23685af5e7c917b710147354f361322bf512f1aac6a4ca7cf81f842", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling stemmer v0.3.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling mini-search v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Language` and `Token`
[INFO] [stdout]  --> src/indexer/mod.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::tokenizer::{Language, Token, Tokenizer};
[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: `Posting`
[INFO] [stdout]  --> src/rank/mod.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::indexer::{DocId, InvertedIndex, Posting};
[INFO] [stdout]   |                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Language`
[INFO] [stdout]  --> src/rank/mod.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::tokenizer::{Language, Tokenizer};
[INFO] [stdout]   |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query`
[INFO] [stdout]   --> src/searcher/mod.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn parse_query(&self, query: &str) -> Vec<String> {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `terms`
[INFO] [stdout]   --> src/searcher/mod.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn find_candidates(&self, terms: &[String]) -> Vec<u64> {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_terms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `doc_ids`
[INFO] [stdout]   --> src/searcher/mod.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn score_documents(&self, doc_ids: &[u64], terms: &[String]) -> Vec<(u64, f64)> {
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_doc_ids`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `terms`
[INFO] [stdout]   --> src/searcher/mod.rs:24:48
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn score_documents(&self, doc_ids: &[u64], terms: &[String]) -> Vec<(u64, f64)> {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_terms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scored_docs`
[INFO] [stdout]   --> src/searcher/mod.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn rank_and_limit(&self, scored_docs: Vec<(u64, f64)>, limit: usize) -> SearchResults {
[INFO] [stdout]    |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scored_docs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `limit`
[INFO] [stdout]   --> src/searcher/mod.rs:28:60
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn rank_and_limit(&self, scored_docs: Vec<(u64, f64)>, limit: usize) -> SearchResults {
[INFO] [stdout]    |                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index` and `tokenizer` are never read
[INFO] [stdout]  --> src/searcher/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct SearchEngine {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 4 |     index: InvertedIndex,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     tokenizer: Tokenizer,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `language` is never read
[INFO] [stdout]   --> src/tokenizer/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Tokenizer {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 20 |     language: Language,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tokenizer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.60s
[INFO] running `Command { std: "docker" "inspect" "9c6621fed23685af5e7c917b710147354f361322bf512f1aac6a4ca7cf81f842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c6621fed23685af5e7c917b710147354f361322bf512f1aac6a4ca7cf81f842", kill_on_drop: false }`
[INFO] [stdout] 9c6621fed23685af5e7c917b710147354f361322bf512f1aac6a4ca7cf81f842
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e13af2405960abf211e1edd53ab5fdd8eb083729a42f57ab843bdd801faa6b39
[INFO] running `Command { std: "docker" "start" "-a" "e13af2405960abf211e1edd53ab5fdd8eb083729a42f57ab843bdd801faa6b39", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `Language` and `Token`
[INFO] [stdout]  --> src/indexer/mod.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::tokenizer::{Language, Token, Tokenizer};
[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: `Posting`
[INFO] [stdout]  --> src/rank/mod.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::indexer::{DocId, InvertedIndex, Posting};
[INFO] [stdout]   |                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Language`
[INFO] [stdout]  --> src/rank/mod.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::tokenizer::{Language, Tokenizer};
[INFO] [stdout]   |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query`
[INFO] [stdout]   --> src/searcher/mod.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn parse_query(&self, query: &str) -> Vec<String> {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `terms`
[INFO] [stdout]   --> src/searcher/mod.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn find_candidates(&self, terms: &[String]) -> Vec<u64> {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_terms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `doc_ids`
[INFO] [stdout]   --> src/searcher/mod.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn score_documents(&self, doc_ids: &[u64], terms: &[String]) -> Vec<(u64, f64)> {
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_doc_ids`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `terms`
[INFO] [stdout]   --> src/searcher/mod.rs:24:48
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn score_documents(&self, doc_ids: &[u64], terms: &[String]) -> Vec<(u64, f64)> {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_terms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scored_docs`
[INFO] [stdout]   --> src/searcher/mod.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn rank_and_limit(&self, scored_docs: Vec<(u64, f64)>, limit: usize) -> SearchResults {
[INFO] [stdout]    |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scored_docs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `limit`
[INFO] [stdout]   --> src/searcher/mod.rs:28:60
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn rank_and_limit(&self, scored_docs: Vec<(u64, f64)>, limit: usize) -> SearchResults {
[INFO] [stdout]    |                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index` and `tokenizer` are never read
[INFO] [stdout]  --> src/searcher/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct SearchEngine {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 4 |     index: InvertedIndex,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     tokenizer: Tokenizer,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `language` is never read
[INFO] [stdout]   --> src/tokenizer/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Tokenizer {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 20 |     language: Language,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tokenizer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mini-search v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/indexer/mod.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::tokenizer::{Language, Token, Tokenizer};
[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: `Posting`
[INFO] [stdout]  --> src/rank/mod.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::indexer::{DocId, InvertedIndex, Posting};
[INFO] [stdout]   |                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query`
[INFO] [stdout]   --> src/searcher/mod.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn parse_query(&self, query: &str) -> Vec<String> {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `terms`
[INFO] [stdout]   --> src/searcher/mod.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn find_candidates(&self, terms: &[String]) -> Vec<u64> {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_terms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `doc_ids`
[INFO] [stdout]   --> src/searcher/mod.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn score_documents(&self, doc_ids: &[u64], terms: &[String]) -> Vec<(u64, f64)> {
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_doc_ids`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `terms`
[INFO] [stdout]   --> src/searcher/mod.rs:24:48
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn score_documents(&self, doc_ids: &[u64], terms: &[String]) -> Vec<(u64, f64)> {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_terms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scored_docs`
[INFO] [stdout]   --> src/searcher/mod.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn rank_and_limit(&self, scored_docs: Vec<(u64, f64)>, limit: usize) -> SearchResults {
[INFO] [stdout]    |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scored_docs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `limit`
[INFO] [stdout]   --> src/searcher/mod.rs:28:60
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn rank_and_limit(&self, scored_docs: Vec<(u64, f64)>, limit: usize) -> SearchResults {
[INFO] [stdout]    |                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index` and `tokenizer` are never read
[INFO] [stdout]  --> src/searcher/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct SearchEngine {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 4 |     index: InvertedIndex,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     tokenizer: Tokenizer,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `language` is never read
[INFO] [stdout]   --> src/tokenizer/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Tokenizer {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 20 |     language: Language,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tokenizer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "e13af2405960abf211e1edd53ab5fdd8eb083729a42f57ab843bdd801faa6b39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13af2405960abf211e1edd53ab5fdd8eb083729a42f57ab843bdd801faa6b39", kill_on_drop: false }`
[INFO] [stdout] e13af2405960abf211e1edd53ab5fdd8eb083729a42f57ab843bdd801faa6b39
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28a9a5853d3ade98ec2ec584400aae52dbf15367081f87c652a076b5f9aa5d09
[INFO] running `Command { std: "docker" "start" "-a" "28a9a5853d3ade98ec2ec584400aae52dbf15367081f87c652a076b5f9aa5d09", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Language` and `Token`
[INFO] [stderr]  --> src/indexer/mod.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::tokenizer::{Language, Token, Tokenizer};
[INFO] [stderr]   |                        ^^^^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Posting`
[INFO] [stderr]  --> src/rank/mod.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::indexer::{DocId, InvertedIndex, Posting};
[INFO] [stderr]   |                                            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Language`
[INFO] [stderr]  --> src/rank/mod.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::tokenizer::{Language, Tokenizer};
[INFO] [stderr]   |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `query`
[INFO] [stderr]   --> src/searcher/mod.rs:16:27
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn parse_query(&self, query: &str) -> Vec<String> {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `terms`
[INFO] [stderr]   --> src/searcher/mod.rs:20:31
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn find_candidates(&self, terms: &[String]) -> Vec<u64> {
[INFO] [stderr]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_terms`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `doc_ids`
[INFO] [stderr]   --> src/searcher/mod.rs:24:31
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn score_documents(&self, doc_ids: &[u64], terms: &[String]) -> Vec<(u64, f64)> {
[INFO] [stderr]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_doc_ids`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `terms`
[INFO] [stderr]   --> src/searcher/mod.rs:24:48
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn score_documents(&self, doc_ids: &[u64], terms: &[String]) -> Vec<(u64, f64)> {
[INFO] [stderr]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_terms`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scored_docs`
[INFO] [stderr]   --> src/searcher/mod.rs:28:30
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn rank_and_limit(&self, scored_docs: Vec<(u64, f64)>, limit: usize) -> SearchResults {
[INFO] [stderr]    |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scored_docs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `limit`
[INFO] [stderr]   --> src/searcher/mod.rs:28:60
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn rank_and_limit(&self, scored_docs: Vec<(u64, f64)>, limit: usize) -> SearchResults {
[INFO] [stderr]    |                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_limit`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `index` and `tokenizer` are never read
[INFO] [stderr]  --> src/searcher/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct SearchEngine {
[INFO] [stderr]   |            ------------ fields in this struct
[INFO] [stderr] 4 |     index: InvertedIndex,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 5 |     tokenizer: Tokenizer,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `language` is never read
[INFO] [stderr]   --> src/tokenizer/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct Tokenizer {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] 20 |     language: Language,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Tokenizer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `mini-search` (lib) generated 11 warnings (run `cargo fix --lib -p mini-search` to apply 9 suggestions)
[INFO] [stderr] warning: unused import: `Token`
[INFO] [stderr]  --> src/indexer/mod.rs:3:34
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::tokenizer::{Language, Token, Tokenizer};
[INFO] [stderr]   |                                  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mini-search` (lib test) generated 10 warnings (9 duplicates) (run `cargo fix --lib -p mini-search --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mini_search-8e41b49849f9599e)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test indexer::tests::test_multiple_documents ... ok
[INFO] [stdout] test tokenizer::tests::test_tokenize_empty ... ok
[INFO] [stdout] test tokenizer::tests::test_tokenize_basic ... ok
[INFO] [stdout] test indexer::tests::test_empty_document ... ok
[INFO] [stdout] test indexer::tests::test_index_document ... ok
[INFO] [stdout] test rank::tests::test_empty_query ... ok
[INFO] [stdout] test rank::tests::test_no_relevant_docs ... ok
[INFO] [stdout] test tokenizer::tests::test_tokenize_stop_words ... ok
[INFO] [stdout] test tokenizer::tests::test_tokenize_punctuation ... ok
[INFO] [stdout] test rank::tests::test_bm25_ranking ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- rank::tests::test_bm25_ranking stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'rank::tests::test_bm25_ranking' (19) panicked at src/rank/mod.rs:143:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 1
[INFO] [stdout]  right: 2
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x646b1090ceb2 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x646b1090ceb2 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x646b1090ceb2 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x646b1090ceb2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x646b1091d61a - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x646b1091d61a - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x646b108dbbf6 - std::io::default_write_fmt::h2f696ff5b8bbaa4b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x646b108dbbf6 - std::io::Write::write_fmt::h5e66814db8a9cfce
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x646b108ec399 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x646b108ec399 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x646b108ec231 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x646b108926ce - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02d35e3888986252
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x646b108926ce - test::test_main_with_exit_callback::{{closure}}::h939640a27d647173
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x646b108ec612 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc9df09ff391af3e7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x646b108ec612 - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x646b108ec458 - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x646b108e79e9 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x646b108d0a2d - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x646b10924bfc - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x646b10924ab3 - core::panicking::assert_failed_inner::h3c3301979dc81b81
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x646b10924943 - core::panicking::assert_failed::h59d9a1fd9655a77e
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x646b10867ec4 - mini_search::rank::tests::test_bm25_ranking::h8acaafce7ba6c009
[INFO] [stdout]                                at /opt/rustwide/workdir/src/rank/mod.rs:143:9
[INFO] [stdout]   22:     0x646b10868027 - mini_search::rank::tests::test_bm25_ranking::{{closure}}::hd3723554511bc593
[INFO] [stdout]                                at /opt/rustwide/workdir/src/rank/mod.rs:128:27
[INFO] [stdout]   23:     0x646b1085d916 - core::ops::function::FnOnce::call_once::h348e784dca91ae0f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x646b1089248b - core::ops::function::FnOnce::call_once::hddb3cd395c36bfbb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x646b1089248b - test::__rust_begin_short_backtrace::h0b6a7601d9750bfa
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x646b108a5e9a - test::run_test_in_process::{{closure}}::h444209903f00b347
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x646b108a5e9a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfb3ba8f46e537649
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x646b108a5e9a - std::panicking::catch_unwind::do_call::h1672a45911fcf9dc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x646b108a5e9a - std::panicking::catch_unwind::h0fadaee22787a6dd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x646b108a5e9a - std::panic::catch_unwind::hc47ad190f2c8e188
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x646b108a5e9a - test::run_test_in_process::hcd7faaf934f29999
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x646b108a5e9a - test::run_test::{{closure}}::hddc4550da4871867
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x646b108802f4 - test::run_test::{{closure}}::h98ae26689f13ed94
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x646b108802f4 - std::sys::backtrace::__rust_begin_short_backtrace::h3ec4d1f21ad44588
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x646b10883c92 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd8bf2c73d479939f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x646b10883c92 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3b4248f358af2491
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x646b10883c92 - std::panicking::catch_unwind::do_call::hda10a64f4b8daebe
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x646b10883c92 - std::panicking::catch_unwind::h659e5ee8336ec8c7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x646b10883c92 - std::panic::catch_unwind::h9d4d66a538912c18
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x646b10883c92 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h7557906bb51d79f1
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x646b10883c92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e460d1d7fc83d35
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x646b108e2c7f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h61282da819d64ea9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x646b108e2c7f - std::sys::thread::unix::Thread::new::thread_start::h982f9ea829d1b5fb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x7d31dc0beaa4 - <unknown>
[INFO] [stdout]   45:     0x7d31dc14ba64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     rank::tests::test_bm25_ranking
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "28a9a5853d3ade98ec2ec584400aae52dbf15367081f87c652a076b5f9aa5d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a9a5853d3ade98ec2ec584400aae52dbf15367081f87c652a076b5f9aa5d09", kill_on_drop: false }`
[INFO] [stdout] 28a9a5853d3ade98ec2ec584400aae52dbf15367081f87c652a076b5f9aa5d09
