[INFO] cloning repository https://github.com/McPatate/boolean_retrieval
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/McPatate/boolean_retrieval" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcPatate%2Fboolean_retrieval", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcPatate%2Fboolean_retrieval'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fcb6913c99097b48d4729e83a022bc273438fd10
[INFO] testing McPatate/boolean_retrieval against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcPatate%2Fboolean_retrieval" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/McPatate/boolean_retrieval on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/McPatate/boolean_retrieval
[INFO] finished tweaking git repo https://github.com/McPatate/boolean_retrieval
[INFO] tweaked toml for git repo https://github.com/McPatate/boolean_retrieval written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/McPatate/boolean_retrieval already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] be56c3446989e3147d2c046ba172d00e9e1985218faf0b99274cccf432fc2d56
[INFO] running `Command { std: "docker" "start" "-a" "be56c3446989e3147d2c046ba172d00e9e1985218faf0b99274cccf432fc2d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be56c3446989e3147d2c046ba172d00e9e1985218faf0b99274cccf432fc2d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be56c3446989e3147d2c046ba172d00e9e1985218faf0b99274cccf432fc2d56", kill_on_drop: false }`
[INFO] [stdout] be56c3446989e3147d2c046ba172d00e9e1985218faf0b99274cccf432fc2d56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 500f85f0b5f56bac8cdb0b6013d6278363b3994138fa841b78e6695b38942b32
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "500f85f0b5f56bac8cdb0b6013d6278363b3994138fa841b78e6695b38942b32", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling quick-xml v0.20.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling boolean_retrieval v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/inverted_index.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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::fmt`
[INFO] [stdout]  --> src/skiplist.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `naive_search`
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn naive_search<'a>(query: &'a str, docs: &'a Vec<WikiDoc>) -> Vec<&'a WikiDoc> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `save`
[INFO] [stdout]   --> src/inverted_index.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn save(&self, fp: &str) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_wiki_doc`
[INFO] [stdout]   --> src/inverted_index.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn add_wiki_doc(&mut self, doc: &WikiDoc, doc_id: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lowercase_filter`
[INFO] [stdout]    --> src/inverted_index.rs:228:8
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn lowercase_filter(tokens: Vec<String>) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tokenizer`
[INFO] [stdout]    --> src/inverted_index.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn tokenizer(phrase: String) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sorted_insert`
[INFO] [stdout]    --> src/inverted_index.rs:244:8
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn sorted_insert(p: &mut Vec<usize>, v: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `head`
[INFO] [stdout]   --> src/skiplist.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     head: Link<T>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `k_max_height`
[INFO] [stdout]   --> src/skiplist.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     k_max_height: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_height`
[INFO] [stdout]   --> src/skiplist.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     max_height: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `branching_factor`
[INFO] [stdout]   --> src/skiplist.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     branching_factor: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inverse_branching`
[INFO] [stdout]   --> src/skiplist.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     inverse_branching: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `len`
[INFO] [stdout]   --> src/skiplist.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     len: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `IntoIter`
[INFO] [stdout]   --> src/skiplist.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct IntoIter<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_element`
[INFO] [stdout]   --> src/skiplist.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn into_element(self: Box<Self>) -> T {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random_height`
[INFO] [stdout]   --> src/skiplist.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn random_height(&self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_node`
[INFO] [stdout]   --> src/skiplist.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn insert_node(&mut self, mut node: Box<Node<T>>) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains`
[INFO] [stdout]    --> src/skiplist.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn contains() {}
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/skiplist.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn insert(&mut self, elt: T) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `iter`
[INFO] [stdout]    --> src/skiplist.rs:191:12
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.05s
[INFO] running `Command { std: "docker" "inspect" "500f85f0b5f56bac8cdb0b6013d6278363b3994138fa841b78e6695b38942b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500f85f0b5f56bac8cdb0b6013d6278363b3994138fa841b78e6695b38942b32", kill_on_drop: false }`
[INFO] [stdout] 500f85f0b5f56bac8cdb0b6013d6278363b3994138fa841b78e6695b38942b32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1645c485728d41e3ec4a4f9a80ad59fea78593ffa7182e62e86f1e13bc5e4a97
[INFO] running `Command { std: "docker" "start" "-a" "1645c485728d41e3ec4a4f9a80ad59fea78593ffa7182e62e86f1e13bc5e4a97", kill_on_drop: false }`
[INFO] [stderr]    Compiling boolean_retrieval v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/inverted_index.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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::fmt`
[INFO] [stdout]  --> src/skiplist.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `naive_search`
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn naive_search<'a>(query: &'a str, docs: &'a Vec<WikiDoc>) -> Vec<&'a WikiDoc> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `save`
[INFO] [stdout]   --> src/inverted_index.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn save(&self, fp: &str) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_wiki_doc`
[INFO] [stdout]   --> src/inverted_index.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn add_wiki_doc(&mut self, doc: &WikiDoc, doc_id: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lowercase_filter`
[INFO] [stdout]    --> src/inverted_index.rs:228:8
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn lowercase_filter(tokens: Vec<String>) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tokenizer`
[INFO] [stdout]    --> src/inverted_index.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn tokenizer(phrase: String) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sorted_insert`
[INFO] [stdout]    --> src/inverted_index.rs:244:8
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn sorted_insert(p: &mut Vec<usize>, v: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `branching_factor`
[INFO] [stdout]   --> src/skiplist.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     branching_factor: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `IntoIter`
[INFO] [stdout]   --> src/skiplist.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct IntoIter<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_element`
[INFO] [stdout]   --> src/skiplist.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn into_element(self: Box<Self>) -> T {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains`
[INFO] [stdout]    --> src/skiplist.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn contains() {}
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/boolean_retrieval-e14b30c4aa81ac80)
[INFO] running `Command { std: "docker" "inspect" "1645c485728d41e3ec4a4f9a80ad59fea78593ffa7182e62e86f1e13bc5e4a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1645c485728d41e3ec4a4f9a80ad59fea78593ffa7182e62e86f1e13bc5e4a97", kill_on_drop: false }`
[INFO] [stdout] 1645c485728d41e3ec4a4f9a80ad59fea78593ffa7182e62e86f1e13bc5e4a97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 236357529a6a105797a368528d76bf1d28fe063ad499281a0fcafb91b82aa602
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "236357529a6a105797a368528d76bf1d28fe063ad499281a0fcafb91b82aa602", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/inverted_index.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/skiplist.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `naive_search`
[INFO] [stderr]  --> src/main.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn naive_search<'a>(query: &'a str, docs: &'a Vec<WikiDoc>) -> Vec<&'a WikiDoc> {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `save`
[INFO] [stderr]   --> src/inverted_index.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn save(&self, fp: &str) -> std::io::Result<()> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_wiki_doc`
[INFO] [stderr]   --> src/inverted_index.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn add_wiki_doc(&mut self, doc: &WikiDoc, doc_id: usize) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `lowercase_filter`
[INFO] [stderr]    --> src/inverted_index.rs:228:8
[INFO] [stderr]     |
[INFO] [stderr] 228 |     fn lowercase_filter(tokens: Vec<String>) -> Vec<String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `tokenizer`
[INFO] [stderr]    --> src/inverted_index.rs:237:8
[INFO] [stderr]     |
[INFO] [stderr] 237 |     fn tokenizer(phrase: String) -> Vec<String> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sorted_insert`
[INFO] [stderr]    --> src/inverted_index.rs:244:8
[INFO] [stderr]     |
[INFO] [stderr] 244 |     fn sorted_insert(p: &mut Vec<usize>, v: usize) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `branching_factor`
[INFO] [stderr]   --> src/skiplist.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     branching_factor: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `IntoIter`
[INFO] [stderr]   --> src/skiplist.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct IntoIter<T> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `into_element`
[INFO] [stderr]   --> src/skiplist.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn into_element(self: Box<Self>) -> T {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `contains`
[INFO] [stderr]    --> src/skiplist.rs:160:12
[INFO] [stderr]     |
[INFO] [stderr] 160 |     pub fn contains() {}
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `boolean_retrieval` (bin "boolean_retrieval" test) generated 12 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/boolean_retrieval-e14b30c4aa81ac80)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test inverted_index::test::test_search ... ok
[INFO] [stdout] test skiplist::test::test_insert ... ok
[INFO] [stdout] test inverted_index::test::test_to_postfix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "236357529a6a105797a368528d76bf1d28fe063ad499281a0fcafb91b82aa602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "236357529a6a105797a368528d76bf1d28fe063ad499281a0fcafb91b82aa602", kill_on_drop: false }`
[INFO] [stdout] 236357529a6a105797a368528d76bf1d28fe063ad499281a0fcafb91b82aa602