[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] checking McPatate/boolean_retrieval against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcPatate%2Fboolean_retrieval" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/McPatate/boolean_retrieval on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quick-xml v0.20.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 519d4b2e9dd7a3b16bce640e162bd73edff02443912388dfc54dc5c0b4c3392b [INFO] running `Command { std: "docker" "start" "-a" "519d4b2e9dd7a3b16bce640e162bd73edff02443912388dfc54dc5c0b4c3392b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "519d4b2e9dd7a3b16bce640e162bd73edff02443912388dfc54dc5c0b4c3392b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "519d4b2e9dd7a3b16bce640e162bd73edff02443912388dfc54dc5c0b4c3392b", kill_on_drop: false }` [INFO] [stdout] 519d4b2e9dd7a3b16bce640e162bd73edff02443912388dfc54dc5c0b4c3392b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cad07825369d7fdf2707308b100e62f4feaab9d1b8ccae7b60ddfb466e92aa01 [INFO] running `Command { std: "docker" "start" "-a" "cad07825369d7fdf2707308b100e62f4feaab9d1b8ccae7b60ddfb466e92aa01", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling serde_derive v1.0.120 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling serde v1.0.120 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking thread_local v1.1.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.1 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking env_logger v0.8.2 [INFO] [stderr] Checking quick-xml v0.20.0 [INFO] [stderr] Checking bincode v1.3.1 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking 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: 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 `naive_search` is never used [INFO] [stdout] --> src/main.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn naive_search<'a>(query: &'a str, docs: &'a Vec) -> Vec<&'a WikiDoc> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `save`, `add_wiki_doc`, `lowercase_filter`, `tokenizer`, and `sorted_insert` are never used [INFO] [stdout] --> src/inverted_index.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl InvertedIndex { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn save(&self, fp: &str) -> std::io::Result<()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn add_wiki_doc(&mut self, doc: &WikiDoc, doc_id: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 228 | fn lowercase_filter(tokens: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 237 | fn tokenizer(phrase: String) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 244 | fn sorted_insert(p: &mut Vec, v: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `branching_factor` is never read [INFO] [stdout] --> src/skiplist.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct SkipList { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 18 | branching_factor: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IntoIter` is never constructed [INFO] [stdout] --> src/skiplist.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct IntoIter { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_element` is never used [INFO] [stdout] --> src/skiplist.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 41 | impl Node { [INFO] [stdout] | ------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn into_element(self: Box) -> T { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `contains` is never used [INFO] [stdout] --> src/skiplist.rs:160:12 [INFO] [stdout] | [INFO] [stdout] 156 | / impl SkipList [INFO] [stdout] 157 | | where [INFO] [stdout] 158 | | T: Ord + Default, [INFO] [stdout] | |_____________________- associated function in this implementation [INFO] [stdout] 159 | { [INFO] [stdout] 160 | pub fn contains() {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `naive_search` is never used [INFO] [stdout] --> src/main.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn naive_search<'a>(query: &'a str, docs: &'a Vec) -> Vec<&'a WikiDoc> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `save`, `add_wiki_doc`, `lowercase_filter`, `tokenizer`, and `sorted_insert` are never used [INFO] [stdout] --> src/inverted_index.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl InvertedIndex { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn save(&self, fp: &str) -> std::io::Result<()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn add_wiki_doc(&mut self, doc: &WikiDoc, doc_id: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 228 | fn lowercase_filter(tokens: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 237 | fn tokenizer(phrase: String) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 244 | fn sorted_insert(p: &mut Vec, v: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `head`, `k_max_height`, `max_height`, `branching_factor`, `inverse_branching`, and `len` are never read [INFO] [stdout] --> src/skiplist.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct SkipList { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 15 | head: Link, [INFO] [stdout] | ^^^^ [INFO] [stdout] 16 | k_max_height: u16, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 17 | max_height: u16, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 18 | branching_factor: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 19 | inverse_branching: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 20 | len: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IntoIter` is never constructed [INFO] [stdout] --> src/skiplist.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct IntoIter { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_element` is never used [INFO] [stdout] --> src/skiplist.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 41 | impl Node { [INFO] [stdout] | ------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn into_element(self: Box) -> T { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `random_height` and `insert_node` are never used [INFO] [stdout] --> src/skiplist.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 84 | / impl SkipList [INFO] [stdout] 85 | | where [INFO] [stdout] 86 | | T: Ord + Default, [INFO] [stdout] | |_____________________- methods in this implementation [INFO] [stdout] 87 | { [INFO] [stdout] 88 | fn random_height(&self) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 97 | fn insert_node(&mut self, mut node: Box>) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `contains`, `insert`, and `iter` are never used [INFO] [stdout] --> src/skiplist.rs:160:12 [INFO] [stdout] | [INFO] [stdout] 156 | / impl SkipList [INFO] [stdout] 157 | | where [INFO] [stdout] 158 | | T: Ord + Default, [INFO] [stdout] | |_____________________- associated items in this implementation [INFO] [stdout] 159 | { [INFO] [stdout] 160 | pub fn contains() {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 173 | pub fn insert(&mut self, elt: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 191 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.51s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.20.0 [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" "cad07825369d7fdf2707308b100e62f4feaab9d1b8ccae7b60ddfb466e92aa01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cad07825369d7fdf2707308b100e62f4feaab9d1b8ccae7b60ddfb466e92aa01", kill_on_drop: false }` [INFO] [stdout] cad07825369d7fdf2707308b100e62f4feaab9d1b8ccae7b60ddfb466e92aa01