[INFO] cloning repository https://github.com/mdomans/LFU [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdomans/LFU" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdomans%2FLFU", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdomans%2FLFU'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0c63537929a09844fee0074849f4578751695002 [INFO] testing mdomans/LFU against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdomans%2FLFU" "/workspace/builds/worker-38/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mdomans/LFU on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mdomans/LFU [INFO] finished tweaking git repo https://github.com/mdomans/LFU [INFO] tweaked toml for git repo https://github.com/mdomans/LFU written to /workspace/builds/worker-38/source/Cargo.toml [INFO] crate git repo https://github.com/mdomans/LFU already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5e3b498f2d5f709d41779bf38e40bd2066db08739454c3e4d6393027f27fbb46 [INFO] running `Command { std: "docker" "start" "-a" "5e3b498f2d5f709d41779bf38e40bd2066db08739454c3e4d6393027f27fbb46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5e3b498f2d5f709d41779bf38e40bd2066db08739454c3e4d6393027f27fbb46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e3b498f2d5f709d41779bf38e40bd2066db08739454c3e4d6393027f27fbb46", kill_on_drop: false }` [INFO] [stdout] 5e3b498f2d5f709d41779bf38e40bd2066db08739454c3e4d6393027f27fbb46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c42c330ad0db93ca247e0b5aa97f511bf1c592b13e2a0b232872f876b07230dc [INFO] running `Command { std: "docker" "start" "-a" "c42c330ad0db93ca247e0b5aa97f511bf1c592b13e2a0b232872f876b07230dc", kill_on_drop: false }` [INFO] [stderr] Compiling LFU v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Weak` [INFO] [stdout] --> src/lib.rs:4:26 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::{Arc, Weak}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/lib.rs:64:31 [INFO] [stdout] | [INFO] [stdout] 64 | fn delete_item(&self, item:Item) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Link` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | type Link = Option>; [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: `new` [INFO] [stdout] --> src/lib.rs:25:16 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn new (data: String, key: String, frequency_node: Arc>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:38:16 [INFO] [stdout] | [INFO] [stdout] 38 | ... pub fn new(frequency: i32, prev: Option>>, next: Option>>, items: HashSet src/lib.rs:50:16 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `delete_item` [INFO] [stdout] --> src/lib.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | fn delete_item(&self, item:Item) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set` [INFO] [stdout] --> src/lib.rs:68:16 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn set(&mut self, key: String, data:String) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/lib.rs:107:16 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn get(&self, key: String) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `print_stats` [INFO] [stdout] --> src/lib.rs:113:16 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn print_stats(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `LFU` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `lfu` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Weak` [INFO] [stdout] --> src/lib.rs:4:26 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::{Arc, Weak}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/lib.rs:64:31 [INFO] [stdout] | [INFO] [stdout] 64 | fn delete_item(&self, item:Item) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Link` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | type Link = Option>; [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: `new` [INFO] [stdout] --> src/lib.rs:25:16 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn new (data: String, key: String, frequency_node: Arc>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:38:16 [INFO] [stdout] | [INFO] [stdout] 38 | ... pub fn new(frequency: i32, prev: Option>>, next: Option>>, items: HashSet src/lib.rs:50:16 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `delete_item` [INFO] [stdout] --> src/lib.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | fn delete_item(&self, item:Item) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set` [INFO] [stdout] --> src/lib.rs:68:16 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn set(&mut self, key: String, data:String) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/lib.rs:107:16 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn get(&self, key: String) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `print_stats` [INFO] [stdout] --> src/lib.rs:113:16 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn print_stats(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `LFU` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `lfu` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.52s [INFO] running `Command { std: "docker" "inspect" "c42c330ad0db93ca247e0b5aa97f511bf1c592b13e2a0b232872f876b07230dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c42c330ad0db93ca247e0b5aa97f511bf1c592b13e2a0b232872f876b07230dc", kill_on_drop: false }` [INFO] [stdout] c42c330ad0db93ca247e0b5aa97f511bf1c592b13e2a0b232872f876b07230dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 59f7cefca15124f636aa49eb4992af8dc31cedbc4f3ee582a544184a36764707 [INFO] running `Command { std: "docker" "start" "-a" "59f7cefca15124f636aa49eb4992af8dc31cedbc4f3ee582a544184a36764707", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `Weak` [INFO] [stdout] --> src/lib.rs:4:26 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::{Arc, Weak}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/lib.rs:64:31 [INFO] [stdout] | [INFO] [stdout] 64 | fn delete_item(&self, item:Item) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Link` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | type Link = Option>; [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: `new` [INFO] [stdout] --> src/lib.rs:25:16 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn new (data: String, key: String, frequency_node: Arc>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:38:16 [INFO] [stdout] | [INFO] [stdout] 38 | ... pub fn new(frequency: i32, prev: Option>>, next: Option>>, items: HashSet src/lib.rs:50:16 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `delete_item` [INFO] [stdout] --> src/lib.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | fn delete_item(&self, item:Item) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling LFU v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `set` [INFO] [stdout] --> src/lib.rs:68:16 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn set(&mut self, key: String, data:String) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/lib.rs:107:16 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn get(&self, key: String) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `print_stats` [INFO] [stdout] --> src/lib.rs:113:16 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn print_stats(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `LFU` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `lfu` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Weak` [INFO] [stdout] --> src/lib.rs:4:26 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::{Arc, Weak}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::lfu::FrequencyNode` [INFO] [stdout] --> src/lib.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 145 | use super::lfu::FrequencyNode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashMap`, `HashSet` [INFO] [stdout] --> src/lib.rs:146:28 [INFO] [stdout] | [INFO] [stdout] 146 | use std::collections::{HashMap, HashSet}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Weak` [INFO] [stdout] --> src/lib.rs:4:26 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::{Arc, Weak}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::lfu::FrequencyNode` [INFO] [stdout] --> src/lib.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 145 | use super::lfu::FrequencyNode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashMap`, `HashSet` [INFO] [stdout] --> src/lib.rs:146:28 [INFO] [stdout] | [INFO] [stdout] 146 | use std::collections::{HashMap, HashSet}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/lib.rs:64:31 [INFO] [stdout] | [INFO] [stdout] 64 | fn delete_item(&self, item:Item) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/lib.rs:64:31 [INFO] [stdout] | [INFO] [stdout] 64 | fn delete_item(&self, item:Item) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Link` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | type Link = Option>; [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: `new` [INFO] [stdout] --> src/lib.rs:38:16 [INFO] [stdout] | [INFO] [stdout] 38 | ... pub fn new(frequency: i32, prev: Option>>, next: Option>>, items: HashSet src/lib.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | fn delete_item(&self, item:Item) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `LFU` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `lfu` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Link` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | type Link = Option>; [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: `new` [INFO] [stdout] --> src/lib.rs:38:16 [INFO] [stdout] | [INFO] [stdout] 38 | ... pub fn new(frequency: i32, prev: Option>>, next: Option>>, items: HashSet src/lib.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | fn delete_item(&self, item:Item) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `LFU` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `lfu` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "59f7cefca15124f636aa49eb4992af8dc31cedbc4f3ee582a544184a36764707", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59f7cefca15124f636aa49eb4992af8dc31cedbc4f3ee582a544184a36764707", kill_on_drop: false }` [INFO] [stdout] 59f7cefca15124f636aa49eb4992af8dc31cedbc4f3ee582a544184a36764707 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2bb9b3017779558cf99032c08cc66f102eb87eab6e6facfa3474cbe6c0540cf5 [INFO] running `Command { std: "docker" "start" "-a" "2bb9b3017779558cf99032c08cc66f102eb87eab6e6facfa3474cbe6c0540cf5", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Weak` [INFO] [stderr] --> src/lib.rs:4:26 [INFO] [stderr] | [INFO] [stderr] 4 | use std::sync::{Arc, Weak}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `item` [INFO] [stderr] --> src/lib.rs:64:31 [INFO] [stderr] | [INFO] [stderr] 64 | fn delete_item(&self, item:Item) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Link` [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | type Link = Option>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/lib.rs:25:16 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn new (data: String, key: String, frequency_node: Arc>) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/lib.rs:38:16 [INFO] [stderr] | [INFO] [stderr] 38 | ... pub fn new(frequency: i32, prev: Option>>, next: Option>>, items: HashSet src/lib.rs:50:16 [INFO] [stderr] | [INFO] [stderr] 50 | pub fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `delete_item` [INFO] [stderr] --> src/lib.rs:64:12 [INFO] [stderr] | [INFO] [stderr] 64 | fn delete_item(&self, item:Item) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `set` [INFO] [stderr] --> src/lib.rs:68:16 [INFO] [stderr] | [INFO] [stderr] 68 | pub fn set(&mut self, key: String, data:String) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get` [INFO] [stderr] --> src/lib.rs:107:16 [INFO] [stderr] | [INFO] [stderr] 107 | pub fn get(&self, key: String) -> Option { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `print_stats` [INFO] [stderr] --> src/lib.rs:113:16 [INFO] [stderr] | [INFO] [stderr] 113 | pub fn print_stats(&self) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `LFU` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `lfu` [INFO] [stderr] [INFO] [stderr] warning: `LFU` (lib) generated 11 warnings [INFO] [stderr] warning: unused import: `super::lfu::FrequencyNode` [INFO] [stderr] --> src/lib.rs:145:9 [INFO] [stderr] | [INFO] [stderr] 145 | use super::lfu::FrequencyNode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `HashMap`, `HashSet` [INFO] [stderr] --> src/lib.rs:146:28 [INFO] [stderr] | [INFO] [stderr] 146 | use std::collections::{HashMap, HashSet}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `LFU` (lib test) generated 8 warnings (6 duplicates) [INFO] [stderr] warning: `LFU` (bin "LFU" test) generated 8 warnings (8 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/LFU-11de836f72534e6e) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::basic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/LFU-2f97aa187e36c958) [INFO] [stdout] [INFO] [stderr] Doc-tests LFU [INFO] [stdout] running 1 test [INFO] [stdout] test lib::tests::basic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2bb9b3017779558cf99032c08cc66f102eb87eab6e6facfa3474cbe6c0540cf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bb9b3017779558cf99032c08cc66f102eb87eab6e6facfa3474cbe6c0540cf5", kill_on_drop: false }` [INFO] [stdout] 2bb9b3017779558cf99032c08cc66f102eb87eab6e6facfa3474cbe6c0540cf5