[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] checking mdomans/LFU against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdomans%2FLFU" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mdomans/LFU on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ce2eb68defd2c9bbb1eeff5a9974e803904fde43c28f61f59cc9dd2d308da1b8 [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" "ce2eb68defd2c9bbb1eeff5a9974e803904fde43c28f61f59cc9dd2d308da1b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce2eb68defd2c9bbb1eeff5a9974e803904fde43c28f61f59cc9dd2d308da1b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce2eb68defd2c9bbb1eeff5a9974e803904fde43c28f61f59cc9dd2d308da1b8", kill_on_drop: false }` [INFO] [stdout] ce2eb68defd2c9bbb1eeff5a9974e803904fde43c28f61f59cc9dd2d308da1b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f6e1e59553b276a5fe35eaa7047cf0eedbe9b7b0e884f976098941d67514b4a [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" "8f6e1e59553b276a5fe35eaa7047cf0eedbe9b7b0e884f976098941d67514b4a", kill_on_drop: false }` [INFO] [stderr] Checking 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 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 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 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: 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: 8 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 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 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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `Command { std: "docker" "inspect" "8f6e1e59553b276a5fe35eaa7047cf0eedbe9b7b0e884f976098941d67514b4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f6e1e59553b276a5fe35eaa7047cf0eedbe9b7b0e884f976098941d67514b4a", kill_on_drop: false }` [INFO] [stdout] 8f6e1e59553b276a5fe35eaa7047cf0eedbe9b7b0e884f976098941d67514b4a